Request context sharing via content::ContextProviderCommandBuffer

content/renderer/media/webmediaplayer_ms.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 "content/renderer/media/webmediaplayer_ms.h"
 
 #include <stddef.h>
 #include <limits>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "build/build_config.h"
 #include "cc/blink/context_provider_web_context.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/layers/video_frame_provider_client_impl.h"
 #include "cc/layers/video_layer.h"
+#include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/public/renderer/media_stream_audio_renderer.h"
 #include "content/public/renderer/media_stream_renderer_factory.h"
 #include "content/public/renderer/video_frame_provider.h"
 #include "content/renderer/media/web_media_element_source_utils.h"
 #include "content/renderer/media/webmediaplayer_ms_compositor.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_thread_impl.h"
 #include "media/base/media_log.h"
 #include "media/base/video_frame.h"
 #include "media/blink/webmediaplayer_util.h"
@@ skipping 296 matching lines @@
                              const blink::WebRect& rect,
                              unsigned char alpha,
                              SkXfermode::Mode mode) {
   DVLOG(3) << __FUNCTION__;
   DCHECK(thread_checker_.CalledOnValidThread());
 
   const scoped_refptr<media::VideoFrame> frame = compositor_->GetCurrentFrame();
 
   media::Context3D context_3d;
   if (frame && frame->HasTextures()) {
-    cc::ContextProvider* provider =
+    auto* provider =
         RenderThreadImpl::current()->SharedMainThreadContextProvider().get();
     // GPU Process crashed.
     if (!provider)
       return;
     context_3d = media::Context3D(provider->ContextGL(), provider->GrContext());
     DCHECK(context_3d.gl);
   }
   const gfx::RectF dest_rect(rect.x, rect.y, rect.width, rect.height);
   video_renderer_.Paint(frame, canvas, dest_rect, alpha, mode,
                         media::VIDEO_ROTATION_0, context_3d);
@@ skipping 186 matching lines @@
 void WebMediaPlayerMS::ResetCanvasCache() {
   DCHECK(thread_checker_.CalledOnValidThread());
   video_renderer_.ResetCache();
 }
 
 void WebMediaPlayerMS::TriggerResize() {
   get_client()->sizeChanged();
 }
 
 }  // namespace content