Media Remoting: Draw remoting interstitial on poster image.

media/remoting/remote_renderer_impl.cc

 // Copyright 2016 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/remoting/remote_renderer_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 611 matching lines @@
     base::ResetAndReturn(&flush_cb_).Run();
 
   // After OnError() returns, the pipeline may destroy |this|.
   client_->OnError(error);
 }
 
 // static
 void RemoteRendererImpl::RequestUpdateInterstitialOnMainThread(
     scoped_refptr<base::SingleThreadTaskRunner> media_task_runner,
     base::WeakPtr<RemoteRendererImpl> remote_renderer_impl,
-    const SkBitmap& background_image,
+    const base::Optional<SkBitmap>& background_image,
     const gfx::Size& canvas_size,
     RemotingInterstitialType interstitial_type) {
   media_task_runner->PostTask(
       FROM_HERE,
       base::Bind(&RemoteRendererImpl::UpdateInterstitial, remote_renderer_impl,
                  background_image, canvas_size, interstitial_type));
 }
 
 void RemoteRendererImpl::UpdateInterstitial(
-    const SkBitmap& background_image,
+    const base::Optional<SkBitmap>& background_image,
     const gfx::Size& canvas_size,
     RemotingInterstitialType interstitial_type) {
   DCHECK(media_task_runner_->BelongsToCurrentThread());
-  if (!background_image.drawsNothing())
-    interstitial_background_ = background_image;
+  if (background_image.has_value())
+    interstitial_background_ = background_image.value();
   canvas_size_ = canvas_size;
   PaintRemotingInterstitial(interstitial_background_, canvas_size_,
                             interstitial_type, video_renderer_sink_);
 }
 
 }  // namespace media