Revert of media: Enable Unified Media Pipeline for MSE and EME on Android

media/base/media.cc

 // Copyright 2013 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 "media/base/media.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/metrics/field_trial.h"
@@ skipping 89 matching lines @@
   // UMA reports the correct group.
   const std::string group_name =
       base::FieldTrialList::FindFullName("UnifiedMediaPipelineTrial");
   const bool enabled_via_cli =
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableUnifiedMediaPipeline);
   return enabled_via_cli ||
          base::StartsWith(group_name, "Enabled", base::CompareCase::SENSITIVE);
 }
 
+bool IsUnifiedMediaPipelineEnabledForMse() {
+  // Don't check IsUnifiedMediaPipelineEnabled() here since we don't want MSE to
+  // be enabled via experiment yet; only when the existing implementation can't
+  // be used (i.e. MediaCodec unavailable).
+  return base::CommandLine::ForCurrentProcess()->HasSwitch(
+             switches::kEnableUnifiedMediaPipeline) ||
+         !MediaCodecUtil::IsMediaCodecAvailable();
+}
+
 bool ArePlatformDecodersAvailable() {
   return IsUnifiedMediaPipelineEnabled()
              ? HasPlatformDecoderSupport()
              : MediaCodecUtil::IsMediaCodecAvailable();
 }
 #endif
 
 }  // namespace media