Re-enable tests that failed under Linux_Msan.

webrtc/video/video_send_stream_tests.cc

 /*
  *  Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 #include <algorithm>  // max
@@ skipping 2128 matching lines @@
   const uint8_t kNumSpatialLayers = 1;
   TestVp9NonFlexMode(kNumTemporalLayers, kNumSpatialLayers);
 }
 
 TEST_F(VideoSendStreamTest, Vp9NonFlexMode_1Tl2SLayers) {
   const uint8_t kNumTemporalLayers = 1;
   const uint8_t kNumSpatialLayers = 2;
   TestVp9NonFlexMode(kNumTemporalLayers, kNumSpatialLayers);
 }
 
-#if !defined(MEMORY_SANITIZER)
-// Fails under MemorySanitizer:
-// See https://code.google.com/p/webrtc/issues/detail?id=5402.
 TEST_F(VideoSendStreamTest, Vp9NonFlexMode_2Tl2SLayers) {
   const uint8_t kNumTemporalLayers = 2;
   const uint8_t kNumSpatialLayers = 2;
   TestVp9NonFlexMode(kNumTemporalLayers, kNumSpatialLayers);
 }
 
 TEST_F(VideoSendStreamTest, Vp9NonFlexMode_3Tl2SLayers) {
   const uint8_t kNumTemporalLayers = 3;
   const uint8_t kNumSpatialLayers = 2;
   TestVp9NonFlexMode(kNumTemporalLayers, kNumSpatialLayers);
 }
-#endif
 
 void VideoSendStreamTest::TestVp9NonFlexMode(uint8_t num_temporal_layers,
                                              uint8_t num_spatial_layers) {
   static const size_t kNumFramesToSend = 100;
   // Set to < kNumFramesToSend and coprime to length of temporal layer
   // structures to verify temporal id reset on key frame.
   static const int kKeyFrameInterval = 31;
   class NonFlexibleMode : public Vp9HeaderObserver {
    public:
     NonFlexibleMode(uint8_t num_temporal_layers, uint8_t num_spatial_layers)
@@ skipping 61 matching lines @@
         observation_complete_.Set();
       }
     }
   } test;
 
   RunBaseTest(&test);
 }
 #endif
 
 }  // namespace webrtc