Revert "Add Timestamp accessor methods to the EncodedImage class."

This reverts commit f34d467b03da4f20a1d036a20966fcad43d2433f.

Reason for revert: Seems to break downstream project.

Original change's description:
> Add Timestamp accessor methods to the EncodedImage class.
> 
> Bug: webrtc:9378
> Change-Id: I59bf14f631f92f0f4e05f60d4af25641a23a53f9
> Reviewed-on: https://webrtc-review.googlesource.com/82100
> Reviewed-by: Stefan Holmer <stefan@webrtc.org>
> Reviewed-by: Philip Eliasson <philipel@webrtc.org>
> Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
> Commit-Queue: Niels Moller <nisse@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#23734}

TBR=brandtr@webrtc.org,nisse@webrtc.org,stefan@webrtc.org,philipel@webrtc.org

Change-Id: I3aa0c0119426886bc583c918aae862eb7f4b6b63
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: webrtc:9378
Reviewed-on: https://webrtc-review.googlesource.com/85600
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Commit-Queue: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23739}
diff --git a/modules/video_coding/jitter_buffer_unittest.cc b/modules/video_coding/jitter_buffer_unittest.cc
index b40b8ba..71c17ea 100644
--- a/modules/video_coding/jitter_buffer_unittest.cc
+++ b/modules/video_coding/jitter_buffer_unittest.cc
@@ -250,7 +250,7 @@
     VCMEncodedFrame* found_frame = jitter_buffer_->NextCompleteFrame(10);
     if (!found_frame)
       return nullptr;
-    return jitter_buffer_->ExtractAndSetDecode(found_frame->Timestamp());
+    return jitter_buffer_->ExtractAndSetDecode(found_frame->TimeStamp());
   }
 
   VCMEncodedFrame* DecodeIncompleteFrame() {
@@ -405,7 +405,7 @@
       return false;
 
     VCMEncodedFrame* frame =
-        jitter_buffer_->ExtractAndSetDecode(found_frame->Timestamp());
+        jitter_buffer_->ExtractAndSetDecode(found_frame->TimeStamp());
     bool ret = (frame != NULL);
     jitter_buffer_->ReleaseFrame(frame);
     return ret;
@@ -952,12 +952,12 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(1000U, frame_out->Timestamp());
+  EXPECT_EQ(1000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(13000U, frame_out->Timestamp());
+  EXPECT_EQ(13000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 }
@@ -1014,7 +1014,7 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000U, frame_out->Timestamp());
+  EXPECT_EQ(3000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   EXPECT_EQ(0, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_FALSE(
@@ -1022,14 +1022,14 @@
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(6000U, frame_out->Timestamp());
+  EXPECT_EQ(6000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(2, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(9000U, frame_out->Timestamp());
+  EXPECT_EQ(9000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(1, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
@@ -1105,7 +1105,7 @@
   EXPECT_EQ(kCompleteSession, jitter_buffer_->InsertPacket(*packet_, &re));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000U, frame_out->Timestamp());
+  EXPECT_EQ(3000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   EXPECT_EQ(0, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_FALSE(
@@ -1113,7 +1113,7 @@
   jitter_buffer_->ReleaseFrame(frame_out);
 
   frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(6000U, frame_out->Timestamp());
+  EXPECT_EQ(6000U, frame_out->TimeStamp());
   EXPECT_EQ(kVideoFrameDelta, frame_out->FrameType());
   EXPECT_EQ(1, frame_out->CodecSpecific()->codecSpecific.VP9.temporal_idx);
   EXPECT_TRUE(frame_out->CodecSpecific()->codecSpecific.VP9.temporal_up_switch);
@@ -1461,8 +1461,8 @@
   uint32_t next_timestamp;
   VCMEncodedFrame* frame = jitter_buffer_->NextCompleteFrame(0);
   EXPECT_NE(frame, nullptr);
-  EXPECT_EQ(packet_->timestamp, frame->Timestamp());
-  frame = jitter_buffer_->ExtractAndSetDecode(frame->Timestamp());
+  EXPECT_EQ(packet_->timestamp, frame->TimeStamp());
+  frame = jitter_buffer_->ExtractAndSetDecode(frame->TimeStamp());
   EXPECT_TRUE(frame != NULL);
   jitter_buffer_->ReleaseFrame(frame);
 
@@ -1708,7 +1708,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(3000u, frame_out->Timestamp());
+  EXPECT_EQ(3000u, frame_out->TimeStamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
@@ -1743,7 +1743,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(timestamp_, frame_out->Timestamp());
+  EXPECT_EQ(timestamp_, frame_out->TimeStamp());
 
   CheckOutFrame(frame_out, size_, false);
 
@@ -1853,13 +1853,13 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(0xffffff00, frame_out->Timestamp());
+  EXPECT_EQ(0xffffff00, frame_out->TimeStamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   VCMEncodedFrame* frame_out2 = DecodeCompleteFrame();
-  EXPECT_EQ(2700u, frame_out2->Timestamp());
+  EXPECT_EQ(2700u, frame_out2->TimeStamp());
   CheckOutFrame(frame_out2, size_, false);
   EXPECT_EQ(kVideoFrameDelta, frame_out2->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out2);
@@ -1896,13 +1896,13 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(0xffffff00, frame_out->Timestamp());
+  EXPECT_EQ(0xffffff00, frame_out->TimeStamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
 
   VCMEncodedFrame* frame_out2 = DecodeCompleteFrame();
-  EXPECT_EQ(2700u, frame_out2->Timestamp());
+  EXPECT_EQ(2700u, frame_out2->TimeStamp());
   CheckOutFrame(frame_out2, size_, false);
   EXPECT_EQ(kVideoFrameDelta, frame_out2->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out2);
@@ -1997,7 +1997,7 @@
             jitter_buffer_->InsertPacket(*packet_, &retransmitted));
 
   VCMEncodedFrame* frame_out = DecodeCompleteFrame();
-  EXPECT_EQ(first_key_frame_timestamp, frame_out->Timestamp());
+  EXPECT_EQ(first_key_frame_timestamp, frame_out->TimeStamp());
   CheckOutFrame(frame_out, size_, false);
   EXPECT_EQ(kVideoFrameKey, frame_out->FrameType());
   jitter_buffer_->ReleaseFrame(frame_out);
@@ -2023,7 +2023,7 @@
     VCMEncodedFrame* testFrame = DecodeIncompleteFrame();
     // Timestamp should never be the last TS inserted.
     if (testFrame != NULL) {
-      EXPECT_TRUE(testFrame->Timestamp() < timestamp_);
+      EXPECT_TRUE(testFrame->TimeStamp() < timestamp_);
       jitter_buffer_->ReleaseFrame(testFrame);
     }
   }