Reformat the WebRTC code base

Running clang-format with chromium's style guide.

The goal is n-fold:
 * providing consistency and readability (that's what code guidelines are for)
 * preventing noise with presubmit checks and git cl format
 * building on the previous point: making it easier to automatically fix format issues
 * you name it

Please consider using git-hyper-blame to ignore this commit.

Bug: webrtc:9340
Change-Id: I694567c4cdf8cee2860958cfe82bfaf25848bb87
Reviewed-on: https://webrtc-review.googlesource.com/81185
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23660}
diff --git a/rtc_base/buffer_unittest.cc b/rtc_base/buffer_unittest.cc
index e3b7d46..ae976f1 100644
--- a/rtc_base/buffer_unittest.cc
+++ b/rtc_base/buffer_unittest.cc
@@ -208,16 +208,16 @@
   EXPECT_EQ(buf.size(), 15u);
   EXPECT_EQ(buf.capacity(), 15u);
   EXPECT_FALSE(buf.empty());
-  const char *data = buf.data<char>();
+  const char* data = buf.data<char>();
   buf.Clear();
   EXPECT_EQ(buf.size(), 0u);
-  EXPECT_EQ(buf.capacity(), 15u);  // Hasn't shrunk.
-  EXPECT_EQ(buf.data<char>(), data); // No reallocation.
+  EXPECT_EQ(buf.capacity(), 15u);     // Hasn't shrunk.
+  EXPECT_EQ(buf.data<char>(), data);  // No reallocation.
   EXPECT_TRUE(buf.empty());
 }
 
 TEST(BufferTest, TestLambdaSetAppend) {
-  auto setter = [] (rtc::ArrayView<uint8_t> av) {
+  auto setter = [](rtc::ArrayView<uint8_t> av) {
     for (int i = 0; i != 15; ++i)
       av[i] = kTestData[i];
     return 15;
@@ -237,7 +237,7 @@
 }
 
 TEST(BufferTest, TestLambdaSetAppendSigned) {
-  auto setter = [] (rtc::ArrayView<int8_t> av) {
+  auto setter = [](rtc::ArrayView<int8_t> av) {
     for (int i = 0; i != 15; ++i)
       av[i] = kTestData[i];
     return 15;
@@ -257,7 +257,7 @@
 }
 
 TEST(BufferTest, TestLambdaAppendEmpty) {
-  auto setter = [] (rtc::ArrayView<uint8_t> av) {
+  auto setter = [](rtc::ArrayView<uint8_t> av) {
     for (int i = 0; i != 15; ++i)
       av[i] = kTestData[i];
     return 15;
@@ -275,7 +275,7 @@
 }
 
 TEST(BufferTest, TestLambdaAppendPartial) {
-  auto setter = [] (rtc::ArrayView<uint8_t> av) {
+  auto setter = [](rtc::ArrayView<uint8_t> av) {
     for (int i = 0; i != 7; ++i)
       av[i] = kTestData[i];
     return 7;
@@ -283,15 +283,15 @@
 
   Buffer buf;
   EXPECT_EQ(buf.AppendData(15, setter), 7u);
-  EXPECT_EQ(buf.size(), 7u);            // Size is exactly what we wrote.
-  EXPECT_GE(buf.capacity(), 7u);        // Capacity is valid.
-  EXPECT_NE(buf.data<char>(), nullptr); // Data is actually stored.
+  EXPECT_EQ(buf.size(), 7u);             // Size is exactly what we wrote.
+  EXPECT_GE(buf.capacity(), 7u);         // Capacity is valid.
+  EXPECT_NE(buf.data<char>(), nullptr);  // Data is actually stored.
   EXPECT_FALSE(buf.empty());
 }
 
 TEST(BufferTest, TestMutableLambdaSetAppend) {
   uint8_t magic_number = 17;
-  auto setter = [magic_number] (rtc::ArrayView<uint8_t> av) mutable {
+  auto setter = [magic_number](rtc::ArrayView<uint8_t> av) mutable {
     for (int i = 0; i != 15; ++i) {
       av[i] = magic_number;
       ++magic_number;
@@ -304,9 +304,9 @@
   Buffer buf;
   EXPECT_EQ(buf.SetData(15, setter), 15u);
   EXPECT_EQ(buf.AppendData(15, setter), 15u);
-  EXPECT_EQ(buf.size(), 30u);           // Size is exactly what we wrote.
-  EXPECT_GE(buf.capacity(), 30u);       // Capacity is valid.
-  EXPECT_NE(buf.data<char>(), nullptr); // Data is actually stored.
+  EXPECT_EQ(buf.size(), 30u);            // Size is exactly what we wrote.
+  EXPECT_GE(buf.capacity(), 30u);        // Capacity is valid.
+  EXPECT_NE(buf.data<char>(), nullptr);  // Data is actually stored.
   EXPECT_FALSE(buf.empty());
 
   for (uint8_t i = 0; i != buf.size(); ++i) {