Reduce number of active codecs on low end devices.

media/blink/webmediaplayer_impl.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/blink/webmediaplayer_impl.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 #include <string>
@@ skipping 1561 matching lines @@
   bool is_backgrounded =
       IsBackgroundedSuspendEnabled() && delegate_ && delegate_->IsHidden();
   PlayState state = UpdatePlayState_ComputePlayState(is_remote, is_suspended,
                                                      is_backgrounded);
   SetDelegateState(state.delegate_state);
   SetMemoryReportingState(state.is_memory_reporting_enabled);
   SetSuspendState(state.is_suspended || pending_suspend_resume_cycle_);
 }
 
 void WebMediaPlayerImpl::SetDelegateState(DelegateState new_state) {
-  if (!delegate_)
-    return;
-
-  // Dedupe state changes in the general case, but make an exception for gone
-  // since the delegate will use that information to decide when the idle timer
-  // should be fired.
-  if (delegate_state_ == new_state && new_state != DelegateState::GONE)
+  if (!delegate_ || delegate_state_ == new_state)
     return;
 
   delegate_state_ = new_state;
 
   switch (delegate_state_) {
     case DelegateState::GONE:
       delegate_->PlayerGone(delegate_id_);
       break;
     case DelegateState::PLAYING:
       delegate_->DidPlay(
@@ skipping 217 matching lines @@
       pipeline_metadata_.natural_size,
       base::Bind(&GetCurrentTimeInternal, this)));
   watch_time_reporter_->OnVolumeChange(volume_);
   if (delegate_ && delegate_->IsHidden())
     watch_time_reporter_->OnHidden();
   else
     watch_time_reporter_->OnShown();
 }
 
 }  // namespace media