Enable VP9 in MP4 by default

content/browser/media/media_capabilities_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
@@ skipping 24 matching lines @@
 namespace content {
 
 class MediaCapabilitiesTest : public ContentBrowserTest {
  public:
   MediaCapabilitiesTest() = default;
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitchASCII(switches::kEnableBlinkFeatures,
                                     "MediaCapabilities");
     command_line->AppendSwitch(switches::kEnableNewVp9CodecString);
-    command_line->AppendSwitch(switches::kEnableVp9InMp4);
   }
 
   std::string CanDecodeAudio(const std::string& content_type) {
     return CanDecode(content_type, ConfigType::AUDIO);
   }
 
   std::string CanDecodeVideo(const std::string& content_type) {
     return CanDecode(content_type, ConfigType::VIDEO);
   }
 
@@ skipping 41 matching lines @@
 
   // Supported when built with USE_PROPRIETARY_CODECS
   EXPECT_EQ(kPropSupported,
             CanDecodeVideo("'video/mp4; codecs=\"avc1.42E01E\"'"));
   EXPECT_EQ(kPropSupported,
             CanDecodeVideo("'video/mp4; codecs=\"avc1.42101E\"'"));
   EXPECT_EQ(kPropSupported,
             CanDecodeVideo("'video/mp4; codecs=\"avc1.42701E\"'"));
   EXPECT_EQ(kPropSupported,
             CanDecodeVideo("'video/mp4; codecs=\"avc1.42F01E\"'"));
-  // Requires command line flag switches::kEnableVp9InMp4
   EXPECT_EQ(kPropSupported,
             CanDecodeVideo("'video/mp4; codecs=\"vp09.00.10.08\"'"));
 
   // Test a handful of invalid strings.
   EXPECT_EQ(kUnsupported, CanDecodeVideo("'video/webm; codecs=\"theora\"'"));
   EXPECT_EQ(kUnsupported,
             CanDecodeVideo("'video/webm; codecs=\"avc1.42E01E\"'"));
   // Only new vp09 format is supported with MP4.
   EXPECT_EQ(kUnsupported, CanDecodeVideo("'video/mp4; codecs=\"vp9\"'"));
 }
@@ skipping 20 matching lines @@
   EXPECT_EQ(kPropSupported,
             CanDecodeAudio("'audio/mp4; codecs=\"mp4a.40.02\"'"));
   EXPECT_EQ(kPropSupported, CanDecodeAudio("'audio/aac'"));
 
   // Test a handful of invalid strings.
   EXPECT_EQ(kUnsupported, CanDecodeAudio("'audio/wav; codecs=\"mp3\"'"));
   EXPECT_EQ(kUnsupported, CanDecodeAudio("'audio/webm; codecs=\"vp8\"'"));
 }
 
 }  // namespace content