media::BindToLoop() is born, with example uses to slim down WebMediaPlayerProxy.

webkit/media/webmediaplayer_proxy.cc

 // Copyright (c) 2012 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 "webkit/media/webmediaplayer_proxy.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "media/base/pipeline_status.h"
@@ skipping 27 matching lines @@
 void WebMediaPlayerProxy::Repaint() {
   base::AutoLock auto_lock(lock_);
   if (outstanding_repaints_ < kMaxOutstandingRepaints) {
     ++outstanding_repaints_;
 
     render_loop_->PostTask(FROM_HERE, base::Bind(
         &WebMediaPlayerProxy::RepaintTask, this));
   }
 }
 
-void WebMediaPlayerProxy::SetOpaque(bool opaque) {
-  render_loop_->PostTask(FROM_HERE, base::Bind(
-      &WebMediaPlayerProxy::SetOpaqueTask, this, opaque));
-}
-
 void WebMediaPlayerProxy::Paint(SkCanvas* canvas,
                                 const gfx::Rect& dest_rect,
                                 uint8_t alpha) {
   DCHECK(render_loop_->BelongsToCurrentThread());
   if (frame_provider_) {
     scoped_refptr<media::VideoFrame> video_frame;
     frame_provider_->GetCurrentFrame(&video_frame);
     video_renderer_.Paint(video_frame, canvas, dest_rect, alpha);
     frame_provider_->PutCurrentFrame(video_frame);
   }
@@ skipping 19 matching lines @@
     data_source_->Abort();
 }
 
 void WebMediaPlayerProxy::Detach() {
   DCHECK(render_loop_->BelongsToCurrentThread());
   webmediaplayer_ = NULL;
   data_source_ = NULL;
   frame_provider_ = NULL;
 }
 
-void WebMediaPlayerProxy::PipelineSeekCallback(PipelineStatus status) {
-  render_loop_->PostTask(FROM_HERE, base::Bind(
-      &WebMediaPlayerProxy::PipelineSeekTask, this, status));
-}
-
-void WebMediaPlayerProxy::PipelineEndedCallback(PipelineStatus status) {
-  render_loop_->PostTask(FROM_HERE, base::Bind(
-      &WebMediaPlayerProxy::PipelineEndedTask, this, status));
-}
-
-void WebMediaPlayerProxy::PipelineErrorCallback(PipelineStatus error) {
-  DCHECK_NE(error, media::PIPELINE_OK);
-  render_loop_->PostTask(FROM_HERE, base::Bind(
-      &WebMediaPlayerProxy::PipelineErrorTask, this, error));
-}
-
-void WebMediaPlayerProxy::PipelineBufferingStateCallback(
-    media::Pipeline::BufferingState buffering_state) {
-  render_loop_->PostTask(FROM_HERE, base::Bind(
-      &WebMediaPlayerProxy::PipelineBufferingStateTask, this, buffering_state));
-}
-
 void WebMediaPlayerProxy::RepaintTask() {
   DCHECK(render_loop_->BelongsToCurrentThread());
   {
     base::AutoLock auto_lock(lock_);
     --outstanding_repaints_;
     DCHECK_GE(outstanding_repaints_, 0);
   }
   if (webmediaplayer_) {
     webmediaplayer_->Repaint();
   }
 }
 
-void WebMediaPlayerProxy::PipelineSeekTask(PipelineStatus status) {
-  DCHECK(render_loop_->BelongsToCurrentThread());
-  if (webmediaplayer_)
-    webmediaplayer_->OnPipelineSeek(status);
-}
-
-void WebMediaPlayerProxy::PipelineEndedTask(PipelineStatus status) {
-  DCHECK(render_loop_->BelongsToCurrentThread());
-  if (webmediaplayer_)
-    webmediaplayer_->OnPipelineEnded(status);
-}
-
-void WebMediaPlayerProxy::PipelineErrorTask(PipelineStatus error) {
-  DCHECK(render_loop_->BelongsToCurrentThread());
-  if (webmediaplayer_)
-    webmediaplayer_->OnPipelineError(error);
-}
-
-void WebMediaPlayerProxy::PipelineBufferingStateTask(
-    media::Pipeline::BufferingState buffering_state) {
-  DCHECK(render_loop_->BelongsToCurrentThread());
-  if (webmediaplayer_)
-    webmediaplayer_->OnPipelineBufferingState(buffering_state);
-}
-
-void WebMediaPlayerProxy::SetOpaqueTask(bool opaque) {
-  DCHECK(render_loop_->BelongsToCurrentThread());
-  if (webmediaplayer_)
-    webmediaplayer_->SetOpaque(opaque);
-}
-
 void WebMediaPlayerProxy::GetCurrentFrame(
     scoped_refptr<media::VideoFrame>* frame_out) {
   if (frame_provider_)
     frame_provider_->GetCurrentFrame(frame_out);
 }
 
 void WebMediaPlayerProxy::PutCurrentFrame(
     scoped_refptr<media::VideoFrame> frame) {
   if (frame_provider_)
     frame_provider_->PutCurrentFrame(frame);
@@ skipping 145 matching lines @@
                                       const std::string& session_id,
                                       scoped_array<uint8> init_data,
                                       int init_data_size) {
   DCHECK(render_loop_->BelongsToCurrentThread());
   if (webmediaplayer_)
     webmediaplayer_->OnNeedKey(key_system, session_id,
                                init_data.Pass(), init_data_size);
 }
 
 }  // namespace webkit_media