Re-enable VP9 resize test.

webrtc/modules/video_coding/codecs/test/videoprocessor_integrationtest.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 710 matching lines @@
   // Metrics for rate control.
   RateControlMetrics rc_metrics[1];
   SetRateControlMetrics(rc_metrics, 0, 0, 40, 20, 10, 20, 0, 1);
   ProcessFramesAndVerify(quality_metrics,
                          rate_profile,
                          process_settings,
                          rc_metrics);
 }
 
 // Run with no packet loss, at low bitrate.
-// spatial_resize is on, so expect one resize during the sequence,
-// resize happens on delta frame. Expect only one key frame (first frame).
-TEST_F(VideoProcessorIntegrationTest,
-       DISABLED_ProcessNoLossSpatialResizeFrameDropVP9) {
+// spatial_resize is on, and for this low bitrate expect two resizes during the
+// sequence; first resize is 3/4, second is 1/2 (from original).
+// Resize happens on delta frame. Expect only one key frame (first frame).
+// Disable for msan, see
+// https://code.google.com/p/webrtc/issues/detail?id=5110 for details.
+#if !defined(MEMORY_SANITIZER)
+TEST_F(VideoProcessorIntegrationTest, ProcessNoLossSpatialResizeFrameDropVP9) {
   config_.networking_config.packet_loss_probability = 0;
   // Bitrate and frame rate profile.
   RateProfile rate_profile;
   SetRateProfilePars(&rate_profile, 0, 50, 30, 0);
   rate_profile.frame_index_rate_update[1] = kNbrFramesLong + 1;
   rate_profile.num_frames = kNbrFramesLong;
   // Codec/network settings.
   CodecConfigPars process_settings;
   SetCodecParameters(&process_settings, kVideoCodecVP9, 0.0f, -1,
                      1, false, false, true, true);
   // Metrics for expected quality.
   QualityMetrics quality_metrics;
   SetQualityMetrics(&quality_metrics, 25.0, 13.0, 0.70, 0.40);
   // Metrics for rate control.
   RateControlMetrics rc_metrics[1];
-  SetRateControlMetrics(rc_metrics, 0, 170, 70, 120, 10, 80, 1, 1);
+  SetRateControlMetrics(rc_metrics, 0, 180, 70, 130, 15, 80, 2, 1);
   ProcessFramesAndVerify(quality_metrics,
                          rate_profile,
                          process_settings,
                          rc_metrics);
 }
+#endif
 
 // TODO(marpan): Add temporal layer test for VP9, once changes are in
 // vp9 wrapper for this.
 
 // VP8: Run with no packet loss and fixed bitrate. Quality should be very high.
 // One key frame (first frame only) in sequence. Setting |key_frame_interval|
 // to -1 below means no periodic key frames in test.
 TEST_F(VideoProcessorIntegrationTest, ProcessZeroPacketLoss) {
   // Bitrate and frame rate profile.
   RateProfile rate_profile;
@@ skipping 189 matching lines @@
   // Metrics for rate control.
   RateControlMetrics rc_metrics[2];
   SetRateControlMetrics(rc_metrics, 0, 0, 20, 30, 10, 10, 0, 1);
   SetRateControlMetrics(rc_metrics, 1, 0, 0, 30, 15, 10, 0, 0);
   ProcessFramesAndVerify(quality_metrics,
                          rate_profile,
                          process_settings,
                          rc_metrics);
 }
 }  // namespace webrtc