Add media Remoter mojo interface and RendererWMPDelegate accessor.

content/renderer/media/renderer_webmediaplayer_delegate.cc

 // Copyright 2015 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 "content/renderer/media/renderer_webmediaplayer_delegate.h"
 
 #include <stdint.h>
 
 #include "base/auto_reset.h"
 #include "content/common/media/media_player_delegate_messages.h"
 #include "content/public/renderer/render_frame.h"
+#include "services/shell/public/cpp/interface_provider.h"
 #include "third_party/WebKit/public/platform/WebMediaPlayer.h"
 
 namespace media {
 
 RendererWebMediaPlayerDelegate::RendererWebMediaPlayerDelegate(
     content::RenderFrame* render_frame)
     : RenderFrameObserver(render_frame),
       default_tick_clock_(new base::DefaultTickClock()),
       tick_clock_(default_tick_clock_.get()) {
   idle_cleanup_interval_ = base::TimeDelta::FromSeconds(5);
@@ skipping 36 matching lines @@
   DCHECK(id_map_.Lookup(delegate_id));
   RemoveIdleDelegate(delegate_id);
   Send(new MediaPlayerDelegateHostMsg_OnMediaDestroyed(routing_id(),
                                                        delegate_id));
 }
 
 bool RendererWebMediaPlayerDelegate::IsHidden() {
   return render_frame()->IsHidden();
 }
 
+mojom::Remoter* RendererWebMediaPlayerDelegate::GetRemoter() {
+  if (!remoter_)
+    render_frame()->GetRemoteInterfaces()->GetInterface(GetProxy(&remoter_));

[Ken Rockot(use gerrit already), 2016/07/27 22:31:15]

nit: for convenience you can also just GetInterface(&remoter_)

[miu, 2016/09/02 22:13:29]

Acknowledged. (Not making changes to WMPIDelegate in current code.)

+  return remoter_.get();
+}
+
 void RendererWebMediaPlayerDelegate::WasHidden() {
   for (IDMap<Observer>::iterator it(&id_map_); !it.IsAtEnd(); it.Advance())
     it.GetCurrentValue()->OnHidden();
 }
 
 void RendererWebMediaPlayerDelegate::WasShown() {
   for (IDMap<Observer>::iterator it(&id_map_); !it.IsAtEnd(); it.Advance())
     it.GetCurrentValue()->OnShown();
 }
 
@@ skipping 94 matching lines @@
   // Shutdown the timer if no delegates are left.
   if (idle_delegate_map_.empty())
     idle_cleanup_timer_.Stop();
 }
 
 void RendererWebMediaPlayerDelegate::OnDestruct() {
   delete this;
 }
 
 }  // namespace media