removed five redundant avsync tests to make webrtc_perf_test faster

webrtc/call/call_perf_tests.cc

Index: webrtc/call/call_perf_tests.cc
diff --git a/webrtc/call/call_perf_tests.cc b/webrtc/call/call_perf_tests.cc
index f4422f4433ea48326ebb5ab4d93e22ccdd99189f..d9dde4c5480724fb65d4d81f09cefa8f7f96be2f 100644
--- a/webrtc/call/call_perf_tests.cc
+++ b/webrtc/call/call_perf_tests.cc
@@ -377,21 +377,6 @@ void CallPerfTest::TestAudioVideoSync(bool fec,
   VoiceEngine::Delete(voice_engine);
 }
 
-TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithAudioCreatedFirst) {
-  TestAudioVideoSync(false, true, DriftingClock::kNoDrift,
-                     DriftingClock::kNoDrift, DriftingClock::kNoDrift);
-}
-
-TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithVideoCreatedFirst) {
-  TestAudioVideoSync(false, false, DriftingClock::kNoDrift,
-                     DriftingClock::kNoDrift, DriftingClock::kNoDrift);
-}
-
-TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithFec) {
-  TestAudioVideoSync(true, false, DriftingClock::kNoDrift,
-                     DriftingClock::kNoDrift, DriftingClock::kNoDrift);
-}
-
 // TODO(danilchap): Reenable after adding support for frame capture clock
 // that is not in sync with local TickTime clock.
 TEST_F(CallPerfTest, DISABLED_PlaysOutAudioAndVideoInSyncWithVideoNtpDrift) {
@@ -399,18 +384,6 @@ TEST_F(CallPerfTest, DISABLED_PlaysOutAudioAndVideoInSyncWithVideoNtpDrift) {
                      DriftingClock::kNoDrift, DriftingClock::kNoDrift);
 }
 
-TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithAudioRtpDrift) {
-  TestAudioVideoSync(false, true, DriftingClock::kNoDrift,
-                     DriftingClock::kNoDrift,
-                     DriftingClock::PercentsFaster(30.0f));
-}
-
-TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithVideoRtpDrift) {
-  TestAudioVideoSync(false, true, DriftingClock::kNoDrift,
-                     DriftingClock::PercentsFaster(30.0f),
-                     DriftingClock::kNoDrift);
-}
-
 TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithAudioFasterThanVideoDrift) {
   TestAudioVideoSync(false, true, DriftingClock::kNoDrift,
                      DriftingClock::PercentsSlower(30.0f),
@@ -418,7 +391,7 @@ TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithAudioFasterThanVideoDrift) {
 }
 
 TEST_F(CallPerfTest, PlaysOutAudioAndVideoInSyncWithVideoFasterThanAudioDrift) {
-  TestAudioVideoSync(false, true, DriftingClock::kNoDrift,
+  TestAudioVideoSync(true, false, DriftingClock::kNoDrift,

[pbos-webrtc, 2016/02/15 09:18:20]

Put a comment above this test and the one below to say that they are different
in terms of what stream gets added first.

[danilchap, 2016/02/15 09:45:36]

Proper code doesn't need comments
Done with constants instead.

                      DriftingClock::PercentsFaster(30.0f),
                      DriftingClock::PercentsSlower(30.0f));
 }