In rtc::ByteBuffer drop support for ORDER_HOST as unused

Bug: None
Change-Id: Ideab428b13d981cddf9784cfd07fb7dfb2e914fe
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159698
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29803}
diff --git a/p2p/base/pseudo_tcp.cc b/p2p/base/pseudo_tcp.cc
index 1c62829..56e6b9b 100644
--- a/p2p/base/pseudo_tcp.cc
+++ b/p2p/base/pseudo_tcp.cc
@@ -1190,7 +1190,7 @@
 }
 
 void PseudoTcp::queueConnectMessage() {
-  rtc::ByteBufferWriter buf(rtc::ByteBuffer::ORDER_NETWORK);
+  rtc::ByteBufferWriter buf;
 
   buf.WriteUInt8(CTL_CONNECT);
   if (m_support_wnd_scale) {
diff --git a/p2p/base/stun.cc b/p2p/base/stun.cc
index 8809756..dba0c4d 100644
--- a/p2p/base/stun.cc
+++ b/p2p/base/stun.cc
@@ -31,8 +31,7 @@
   RTC_DCHECK(transaction_id.length() == cricket::kStunTransactionIdLength ||
              transaction_id.length() ==
                  cricket::kStunLegacyTransactionIdLength);
-  ByteBufferReader reader(transaction_id.c_str(), transaction_id.length(),
-                          rtc::ByteBuffer::ORDER_NETWORK);
+  ByteBufferReader reader(transaction_id.c_str(), transaction_id.length());
   uint32_t result = 0;
   uint32_t next;
   while (reader.ReadUInt32(&next)) {
diff --git a/pc/sctp_utils.cc b/pc/sctp_utils.cc
index 129ee07..9cdff0e 100644
--- a/pc/sctp_utils.cc
+++ b/pc/sctp_utils.cc
@@ -169,8 +169,7 @@
   }
 
   rtc::ByteBufferWriter buffer(NULL,
-                               20 + label.length() + config.protocol.length(),
-                               rtc::ByteBuffer::ORDER_NETWORK);
+                               20 + label.length() + config.protocol.length());
   // TODO(tommi): Add error handling and check resulting length.
   buffer.WriteUInt8(DATA_CHANNEL_OPEN_MESSAGE_TYPE);
   buffer.WriteUInt8(channel_type);
diff --git a/rtc_base/byte_buffer.cc b/rtc_base/byte_buffer.cc
index 9f79120..e127833 100644
--- a/rtc_base/byte_buffer.cc
+++ b/rtc_base/byte_buffer.cc
@@ -16,41 +16,22 @@
 
 ByteBufferWriter::ByteBufferWriter() : ByteBufferWriterT() {}
 
-ByteBufferWriter::ByteBufferWriter(ByteOrder byte_order)
-    : ByteBufferWriterT(byte_order) {}
-
 ByteBufferWriter::ByteBufferWriter(const char* bytes, size_t len)
     : ByteBufferWriterT(bytes, len) {}
 
-ByteBufferWriter::ByteBufferWriter(const char* bytes,
-                                   size_t len,
-                                   ByteOrder byte_order)
-    : ByteBufferWriterT(bytes, len, byte_order) {}
-
-ByteBufferReader::ByteBufferReader(const char* bytes, size_t len)
-    : ByteBuffer(ORDER_NETWORK) {
+ByteBufferReader::ByteBufferReader(const char* bytes, size_t len) {
   Construct(bytes, len);
 }
 
-ByteBufferReader::ByteBufferReader(const char* bytes,
-                                   size_t len,
-                                   ByteOrder byte_order)
-    : ByteBuffer(byte_order) {
-  Construct(bytes, len);
-}
-
-ByteBufferReader::ByteBufferReader(const char* bytes)
-    : ByteBuffer(ORDER_NETWORK) {
+ByteBufferReader::ByteBufferReader(const char* bytes) {
   Construct(bytes, strlen(bytes));
 }
 
-ByteBufferReader::ByteBufferReader(const Buffer& buf)
-    : ByteBuffer(ORDER_NETWORK) {
+ByteBufferReader::ByteBufferReader(const Buffer& buf) {
   Construct(buf.data<char>(), buf.size());
 }
 
-ByteBufferReader::ByteBufferReader(const ByteBufferWriter& buf)
-    : ByteBuffer(buf.Order()) {
+ByteBufferReader::ByteBufferReader(const ByteBufferWriter& buf) {
   Construct(buf.Data(), buf.Length());
 }
 
@@ -76,7 +57,7 @@
   if (!ReadBytes(reinterpret_cast<char*>(&v), 2)) {
     return false;
   } else {
-    *val = (Order() == ORDER_NETWORK) ? NetworkToHost16(v) : v;
+    *val = NetworkToHost16(v);
     return true;
   }
 }
@@ -87,14 +68,12 @@
 
   uint32_t v = 0;
   char* read_into = reinterpret_cast<char*>(&v);
-  if (Order() == ORDER_NETWORK || IsHostBigEndian()) {
-    ++read_into;
-  }
+  ++read_into;
 
   if (!ReadBytes(read_into, 3)) {
     return false;
   } else {
-    *val = (Order() == ORDER_NETWORK) ? NetworkToHost32(v) : v;
+    *val = NetworkToHost32(v);
     return true;
   }
 }
@@ -107,7 +86,7 @@
   if (!ReadBytes(reinterpret_cast<char*>(&v), 4)) {
     return false;
   } else {
-    *val = (Order() == ORDER_NETWORK) ? NetworkToHost32(v) : v;
+    *val = NetworkToHost32(v);
     return true;
   }
 }
@@ -120,7 +99,7 @@
   if (!ReadBytes(reinterpret_cast<char*>(&v), 8)) {
     return false;
   } else {
-    *val = (Order() == ORDER_NETWORK) ? NetworkToHost64(v) : v;
+    *val = NetworkToHost64(v);
     return true;
   }
 }
diff --git a/rtc_base/byte_buffer.h b/rtc_base/byte_buffer.h
index e48d708..31fc8cb 100644
--- a/rtc_base/byte_buffer.h
+++ b/rtc_base/byte_buffer.h
@@ -20,42 +20,14 @@
 #include "rtc_base/byte_order.h"
 #include "rtc_base/constructor_magic.h"
 
+// Reads/Writes from/to buffer using network byte order (big endian)
 namespace rtc {
 
-class ByteBuffer {
- public:
-  enum ByteOrder {
-    ORDER_NETWORK = 0,  // Default, use network byte order (big endian).
-    ORDER_HOST,         // Use the native order of the host.
-  };
-
-  explicit ByteBuffer(ByteOrder byte_order) : byte_order_(byte_order) {}
-
-  ByteOrder Order() const { return byte_order_; }
-
- private:
-  ByteOrder byte_order_;
-
-  RTC_DISALLOW_COPY_AND_ASSIGN(ByteBuffer);
-};
-
 template <class BufferClassT>
-class ByteBufferWriterT : public ByteBuffer {
+class ByteBufferWriterT {
  public:
-  // |byte_order| defines order of bytes in the buffer.
-  ByteBufferWriterT() : ByteBuffer(ORDER_NETWORK) {
-    Construct(nullptr, kDefaultCapacity);
-  }
-  explicit ByteBufferWriterT(ByteOrder byte_order) : ByteBuffer(byte_order) {
-    Construct(nullptr, kDefaultCapacity);
-  }
-  ByteBufferWriterT(const char* bytes, size_t len) : ByteBuffer(ORDER_NETWORK) {
-    Construct(bytes, len);
-  }
-  ByteBufferWriterT(const char* bytes, size_t len, ByteOrder byte_order)
-      : ByteBuffer(byte_order) {
-    Construct(bytes, len);
-  }
+  ByteBufferWriterT() { Construct(nullptr, kDefaultCapacity); }
+  ByteBufferWriterT(const char* bytes, size_t len) { Construct(bytes, len); }
 
   const char* Data() const { return buffer_.data(); }
   size_t Length() const { return buffer_.size(); }
@@ -67,23 +39,21 @@
     WriteBytes(reinterpret_cast<const char*>(&val), 1);
   }
   void WriteUInt16(uint16_t val) {
-    uint16_t v = (Order() == ORDER_NETWORK) ? HostToNetwork16(val) : val;
+    uint16_t v = HostToNetwork16(val);
     WriteBytes(reinterpret_cast<const char*>(&v), 2);
   }
   void WriteUInt24(uint32_t val) {
-    uint32_t v = (Order() == ORDER_NETWORK) ? HostToNetwork32(val) : val;
+    uint32_t v = HostToNetwork32(val);
     char* start = reinterpret_cast<char*>(&v);
-    if (Order() == ORDER_NETWORK || IsHostBigEndian()) {
-      ++start;
-    }
+    ++start;
     WriteBytes(start, 3);
   }
   void WriteUInt32(uint32_t val) {
-    uint32_t v = (Order() == ORDER_NETWORK) ? HostToNetwork32(val) : val;
+    uint32_t v = HostToNetwork32(val);
     WriteBytes(reinterpret_cast<const char*>(&v), 4);
   }
   void WriteUInt64(uint64_t val) {
-    uint64_t v = (Order() == ORDER_NETWORK) ? HostToNetwork64(val) : val;
+    uint64_t v = HostToNetwork64(val);
     WriteBytes(reinterpret_cast<const char*>(&v), 8);
   }
   // Serializes an unsigned varint in the format described by
@@ -139,11 +109,8 @@
 
 class ByteBufferWriter : public ByteBufferWriterT<BufferT<char>> {
  public:
-  // |byte_order| defines order of bytes in the buffer.
   ByteBufferWriter();
-  explicit ByteBufferWriter(ByteOrder byte_order);
   ByteBufferWriter(const char* bytes, size_t len);
-  ByteBufferWriter(const char* bytes, size_t len, ByteOrder byte_order);
 
  private:
   RTC_DISALLOW_COPY_AND_ASSIGN(ByteBufferWriter);
@@ -151,10 +118,9 @@
 
 // The ByteBufferReader references the passed data, i.e. the pointer must be
 // valid during the lifetime of the reader.
-class ByteBufferReader : public ByteBuffer {
+class ByteBufferReader {
  public:
   ByteBufferReader(const char* bytes, size_t len);
-  ByteBufferReader(const char* bytes, size_t len, ByteOrder byte_order);
 
   // Initializes buffer from a zero-terminated string.
   explicit ByteBufferReader(const char* bytes);
diff --git a/rtc_base/byte_buffer_unittest.cc b/rtc_base/byte_buffer_unittest.cc
index eafe670..4f8043c 100644
--- a/rtc_base/byte_buffer_unittest.cc
+++ b/rtc_base/byte_buffer_unittest.cc
@@ -82,180 +82,169 @@
 }
 
 TEST(ByteBufferTest, TestReadWriteBuffer) {
-  ByteBufferWriter::ByteOrder orders[2] = {ByteBufferWriter::ORDER_HOST,
-                                           ByteBufferWriter::ORDER_NETWORK};
-  for (size_t i = 0; i < arraysize(orders); i++) {
-    ByteBufferWriter buffer(orders[i]);
-    EXPECT_EQ(orders[i], buffer.Order());
-    ByteBufferReader read_buf(nullptr, 0, orders[i]);
-    EXPECT_EQ(orders[i], read_buf.Order());
-    uint8_t ru8;
-    EXPECT_FALSE(read_buf.ReadUInt8(&ru8));
+  ByteBufferWriter buffer;
+  ByteBufferReader read_buf(nullptr, 0);
+  uint8_t ru8;
+  EXPECT_FALSE(read_buf.ReadUInt8(&ru8));
 
-    // Write and read uint8_t.
-    uint8_t wu8 = 1;
-    buffer.WriteUInt8(wu8);
-    ByteBufferReader read_buf1(buffer.Data(), buffer.Length(), orders[i]);
-    EXPECT_TRUE(read_buf1.ReadUInt8(&ru8));
-    EXPECT_EQ(wu8, ru8);
-    EXPECT_EQ(0U, read_buf1.Length());
-    buffer.Clear();
+  // Write and read uint8_t.
+  uint8_t wu8 = 1;
+  buffer.WriteUInt8(wu8);
+  ByteBufferReader read_buf1(buffer.Data(), buffer.Length());
+  EXPECT_TRUE(read_buf1.ReadUInt8(&ru8));
+  EXPECT_EQ(wu8, ru8);
+  EXPECT_EQ(0U, read_buf1.Length());
+  buffer.Clear();
 
-    // Write and read uint16_t.
-    uint16_t wu16 = (1 << 8) + 1;
-    buffer.WriteUInt16(wu16);
-    ByteBufferReader read_buf2(buffer.Data(), buffer.Length(), orders[i]);
-    uint16_t ru16;
-    EXPECT_TRUE(read_buf2.ReadUInt16(&ru16));
-    EXPECT_EQ(wu16, ru16);
-    EXPECT_EQ(0U, read_buf2.Length());
-    buffer.Clear();
+  // Write and read uint16_t.
+  uint16_t wu16 = (1 << 8) + 1;
+  buffer.WriteUInt16(wu16);
+  ByteBufferReader read_buf2(buffer.Data(), buffer.Length());
+  uint16_t ru16;
+  EXPECT_TRUE(read_buf2.ReadUInt16(&ru16));
+  EXPECT_EQ(wu16, ru16);
+  EXPECT_EQ(0U, read_buf2.Length());
+  buffer.Clear();
 
-    // Write and read uint24.
-    uint32_t wu24 = (3 << 16) + (2 << 8) + 1;
-    buffer.WriteUInt24(wu24);
-    ByteBufferReader read_buf3(buffer.Data(), buffer.Length(), orders[i]);
-    uint32_t ru24;
-    EXPECT_TRUE(read_buf3.ReadUInt24(&ru24));
-    EXPECT_EQ(wu24, ru24);
-    EXPECT_EQ(0U, read_buf3.Length());
-    buffer.Clear();
+  // Write and read uint24.
+  uint32_t wu24 = (3 << 16) + (2 << 8) + 1;
+  buffer.WriteUInt24(wu24);
+  ByteBufferReader read_buf3(buffer.Data(), buffer.Length());
+  uint32_t ru24;
+  EXPECT_TRUE(read_buf3.ReadUInt24(&ru24));
+  EXPECT_EQ(wu24, ru24);
+  EXPECT_EQ(0U, read_buf3.Length());
+  buffer.Clear();
 
-    // Write and read uint32_t.
-    uint32_t wu32 = (4 << 24) + (3 << 16) + (2 << 8) + 1;
-    buffer.WriteUInt32(wu32);
-    ByteBufferReader read_buf4(buffer.Data(), buffer.Length(), orders[i]);
-    uint32_t ru32;
-    EXPECT_TRUE(read_buf4.ReadUInt32(&ru32));
-    EXPECT_EQ(wu32, ru32);
-    EXPECT_EQ(0U, read_buf3.Length());
-    buffer.Clear();
+  // Write and read uint32_t.
+  uint32_t wu32 = (4 << 24) + (3 << 16) + (2 << 8) + 1;
+  buffer.WriteUInt32(wu32);
+  ByteBufferReader read_buf4(buffer.Data(), buffer.Length());
+  uint32_t ru32;
+  EXPECT_TRUE(read_buf4.ReadUInt32(&ru32));
+  EXPECT_EQ(wu32, ru32);
+  EXPECT_EQ(0U, read_buf3.Length());
+  buffer.Clear();
 
-    // Write and read uint64_t.
-    uint32_t another32 = (8 << 24) + (7 << 16) + (6 << 8) + 5;
-    uint64_t wu64 = (static_cast<uint64_t>(another32) << 32) + wu32;
-    buffer.WriteUInt64(wu64);
-    ByteBufferReader read_buf5(buffer.Data(), buffer.Length(), orders[i]);
-    uint64_t ru64;
-    EXPECT_TRUE(read_buf5.ReadUInt64(&ru64));
-    EXPECT_EQ(wu64, ru64);
-    EXPECT_EQ(0U, read_buf5.Length());
-    buffer.Clear();
+  // Write and read uint64_t.
+  uint32_t another32 = (8 << 24) + (7 << 16) + (6 << 8) + 5;
+  uint64_t wu64 = (static_cast<uint64_t>(another32) << 32) + wu32;
+  buffer.WriteUInt64(wu64);
+  ByteBufferReader read_buf5(buffer.Data(), buffer.Length());
+  uint64_t ru64;
+  EXPECT_TRUE(read_buf5.ReadUInt64(&ru64));
+  EXPECT_EQ(wu64, ru64);
+  EXPECT_EQ(0U, read_buf5.Length());
+  buffer.Clear();
 
-    // Write and read string.
-    std::string write_string("hello");
-    buffer.WriteString(write_string);
-    ByteBufferReader read_buf6(buffer.Data(), buffer.Length(), orders[i]);
-    std::string read_string;
-    EXPECT_TRUE(read_buf6.ReadString(&read_string, write_string.size()));
-    EXPECT_EQ(write_string, read_string);
-    EXPECT_EQ(0U, read_buf6.Length());
-    buffer.Clear();
+  // Write and read string.
+  std::string write_string("hello");
+  buffer.WriteString(write_string);
+  ByteBufferReader read_buf6(buffer.Data(), buffer.Length());
+  std::string read_string;
+  EXPECT_TRUE(read_buf6.ReadString(&read_string, write_string.size()));
+  EXPECT_EQ(write_string, read_string);
+  EXPECT_EQ(0U, read_buf6.Length());
+  buffer.Clear();
 
-    // Write and read bytes
-    char write_bytes[] = "foo";
-    buffer.WriteBytes(write_bytes, 3);
-    ByteBufferReader read_buf7(buffer.Data(), buffer.Length(), orders[i]);
-    char read_bytes[3];
-    EXPECT_TRUE(read_buf7.ReadBytes(read_bytes, 3));
-    for (int i = 0; i < 3; ++i) {
-      EXPECT_EQ(write_bytes[i], read_bytes[i]);
-    }
-    EXPECT_EQ(0U, read_buf7.Length());
-    buffer.Clear();
-
-    // Write and read reserved buffer space
-    char* write_dst = buffer.ReserveWriteBuffer(3);
-    memcpy(write_dst, write_bytes, 3);
-    ByteBufferReader read_buf8(buffer.Data(), buffer.Length(), orders[i]);
-    memset(read_bytes, 0, 3);
-    EXPECT_TRUE(read_buf8.ReadBytes(read_bytes, 3));
-    for (int i = 0; i < 3; ++i) {
-      EXPECT_EQ(write_bytes[i], read_bytes[i]);
-    }
-    EXPECT_EQ(0U, read_buf8.Length());
-    buffer.Clear();
-
-    // Write and read in order.
-    buffer.WriteUInt8(wu8);
-    buffer.WriteUInt16(wu16);
-    buffer.WriteUInt24(wu24);
-    buffer.WriteUInt32(wu32);
-    buffer.WriteUInt64(wu64);
-    ByteBufferReader read_buf9(buffer.Data(), buffer.Length(), orders[i]);
-    EXPECT_TRUE(read_buf9.ReadUInt8(&ru8));
-    EXPECT_EQ(wu8, ru8);
-    EXPECT_TRUE(read_buf9.ReadUInt16(&ru16));
-    EXPECT_EQ(wu16, ru16);
-    EXPECT_TRUE(read_buf9.ReadUInt24(&ru24));
-    EXPECT_EQ(wu24, ru24);
-    EXPECT_TRUE(read_buf9.ReadUInt32(&ru32));
-    EXPECT_EQ(wu32, ru32);
-    EXPECT_TRUE(read_buf9.ReadUInt64(&ru64));
-    EXPECT_EQ(wu64, ru64);
-    EXPECT_EQ(0U, read_buf9.Length());
-    buffer.Clear();
+  // Write and read bytes
+  char write_bytes[] = "foo";
+  buffer.WriteBytes(write_bytes, 3);
+  ByteBufferReader read_buf7(buffer.Data(), buffer.Length());
+  char read_bytes[3];
+  EXPECT_TRUE(read_buf7.ReadBytes(read_bytes, 3));
+  for (int i = 0; i < 3; ++i) {
+    EXPECT_EQ(write_bytes[i], read_bytes[i]);
   }
+  EXPECT_EQ(0U, read_buf7.Length());
+  buffer.Clear();
+
+  // Write and read reserved buffer space
+  char* write_dst = buffer.ReserveWriteBuffer(3);
+  memcpy(write_dst, write_bytes, 3);
+  ByteBufferReader read_buf8(buffer.Data(), buffer.Length());
+  memset(read_bytes, 0, 3);
+  EXPECT_TRUE(read_buf8.ReadBytes(read_bytes, 3));
+  for (int i = 0; i < 3; ++i) {
+    EXPECT_EQ(write_bytes[i], read_bytes[i]);
+  }
+  EXPECT_EQ(0U, read_buf8.Length());
+  buffer.Clear();
+
+  // Write and read in order.
+  buffer.WriteUInt8(wu8);
+  buffer.WriteUInt16(wu16);
+  buffer.WriteUInt24(wu24);
+  buffer.WriteUInt32(wu32);
+  buffer.WriteUInt64(wu64);
+  ByteBufferReader read_buf9(buffer.Data(), buffer.Length());
+  EXPECT_TRUE(read_buf9.ReadUInt8(&ru8));
+  EXPECT_EQ(wu8, ru8);
+  EXPECT_TRUE(read_buf9.ReadUInt16(&ru16));
+  EXPECT_EQ(wu16, ru16);
+  EXPECT_TRUE(read_buf9.ReadUInt24(&ru24));
+  EXPECT_EQ(wu24, ru24);
+  EXPECT_TRUE(read_buf9.ReadUInt32(&ru32));
+  EXPECT_EQ(wu32, ru32);
+  EXPECT_TRUE(read_buf9.ReadUInt64(&ru64));
+  EXPECT_EQ(wu64, ru64);
+  EXPECT_EQ(0U, read_buf9.Length());
+  buffer.Clear();
 }
 
 TEST(ByteBufferTest, TestReadWriteUVarint) {
-  ByteBufferWriter::ByteOrder orders[2] = {ByteBufferWriter::ORDER_HOST,
-                                           ByteBufferWriter::ORDER_NETWORK};
-  for (ByteBufferWriter::ByteOrder& order : orders) {
-    ByteBufferWriter write_buffer(order);
-    size_t size = 0;
-    EXPECT_EQ(size, write_buffer.Length());
+  ByteBufferWriter write_buffer;
+  size_t size = 0;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    write_buffer.WriteUVarint(1u);
-    ++size;
-    EXPECT_EQ(size, write_buffer.Length());
+  write_buffer.WriteUVarint(1u);
+  ++size;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    write_buffer.WriteUVarint(2u);
-    ++size;
-    EXPECT_EQ(size, write_buffer.Length());
+  write_buffer.WriteUVarint(2u);
+  ++size;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    write_buffer.WriteUVarint(27u);
-    ++size;
-    EXPECT_EQ(size, write_buffer.Length());
+  write_buffer.WriteUVarint(27u);
+  ++size;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    write_buffer.WriteUVarint(149u);
-    size += 2;
-    EXPECT_EQ(size, write_buffer.Length());
+  write_buffer.WriteUVarint(149u);
+  size += 2;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    write_buffer.WriteUVarint(68719476736u);
-    size += 6;
-    EXPECT_EQ(size, write_buffer.Length());
+  write_buffer.WriteUVarint(68719476736u);
+  size += 6;
+  EXPECT_EQ(size, write_buffer.Length());
 
-    ByteBufferReader read_buffer(write_buffer.Data(), write_buffer.Length(),
-                                 order);
-    EXPECT_EQ(size, read_buffer.Length());
-    uint64_t val1, val2, val3, val4, val5;
+  ByteBufferReader read_buffer(write_buffer.Data(), write_buffer.Length());
+  EXPECT_EQ(size, read_buffer.Length());
+  uint64_t val1, val2, val3, val4, val5;
 
-    ASSERT_TRUE(read_buffer.ReadUVarint(&val1));
-    EXPECT_EQ(1u, val1);
-    --size;
-    EXPECT_EQ(size, read_buffer.Length());
+  ASSERT_TRUE(read_buffer.ReadUVarint(&val1));
+  EXPECT_EQ(1u, val1);
+  --size;
+  EXPECT_EQ(size, read_buffer.Length());
 
-    ASSERT_TRUE(read_buffer.ReadUVarint(&val2));
-    EXPECT_EQ(2u, val2);
-    --size;
-    EXPECT_EQ(size, read_buffer.Length());
+  ASSERT_TRUE(read_buffer.ReadUVarint(&val2));
+  EXPECT_EQ(2u, val2);
+  --size;
+  EXPECT_EQ(size, read_buffer.Length());
 
-    ASSERT_TRUE(read_buffer.ReadUVarint(&val3));
-    EXPECT_EQ(27u, val3);
-    --size;
-    EXPECT_EQ(size, read_buffer.Length());
+  ASSERT_TRUE(read_buffer.ReadUVarint(&val3));
+  EXPECT_EQ(27u, val3);
+  --size;
+  EXPECT_EQ(size, read_buffer.Length());
 
-    ASSERT_TRUE(read_buffer.ReadUVarint(&val4));
-    EXPECT_EQ(149u, val4);
-    size -= 2;
-    EXPECT_EQ(size, read_buffer.Length());
+  ASSERT_TRUE(read_buffer.ReadUVarint(&val4));
+  EXPECT_EQ(149u, val4);
+  size -= 2;
+  EXPECT_EQ(size, read_buffer.Length());
 
-    ASSERT_TRUE(read_buffer.ReadUVarint(&val5));
-    EXPECT_EQ(68719476736u, val5);
-    size -= 6;
-    EXPECT_EQ(size, read_buffer.Length());
-  }
+  ASSERT_TRUE(read_buffer.ReadUVarint(&val5));
+  EXPECT_EQ(68719476736u, val5);
+  size -= 6;
+  EXPECT_EQ(size, read_buffer.Length());
 }
 
 }  // namespace rtc
diff --git a/video/rtp_video_stream_receiver_unittest.cc b/video/rtp_video_stream_receiver_unittest.cc
index d83e81e..b5fe0bd 100644
--- a/video/rtp_video_stream_receiver_unittest.cc
+++ b/video/rtp_video_stream_receiver_unittest.cc
@@ -72,8 +72,6 @@
 class MockOnCompleteFrameCallback
     : public video_coding::OnCompleteFrameCallback {
  public:
-  MockOnCompleteFrameCallback() : buffer_(rtc::ByteBuffer::ORDER_NETWORK) {}
-
   MOCK_METHOD1(DoOnCompleteFrame, void(video_coding::EncodedFrame* frame));
   MOCK_METHOD1(DoOnCompleteFrameFailNullptr,
                void(video_coding::EncodedFrame* frame));