DevTools: [Android] implement RenderWidgetHostViewAndroid::CopyFromCompositingSurface

content/browser/renderer_host/render_widget_host_view_android.h

Index: content/browser/renderer_host/render_widget_host_view_android.h
diff --git a/content/browser/renderer_host/render_widget_host_view_android.h b/content/browser/renderer_host/render_widget_host_view_android.h
index d9b0d972488e6539931163feef20e45f3f82fc88..0c6eec1c9c5c0e8e3ec1f4a35a2ed22b7e9794c9 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.h
+++ b/content/browser/renderer_host/render_widget_host_view_android.h
@@ -33,6 +33,7 @@ struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 
 namespace cc {
+class CopyOutputResult;
 class DelegatedRendererLayer;
 class Layer;
 class TextureLayer;
@@ -232,6 +233,8 @@ class RenderWidgetHostViewAndroid
   void SynchronousFrameMetadata(
       const cc::CompositorFrameMetadata& frame_metadata);
 
+  bool CanCopyToBitmap() const;
+
  private:
   void BuffersSwapped(const gpu::Mailbox& mailbox,
                       uint32_t output_surface_id,
@@ -256,6 +259,21 @@ class RenderWidgetHostViewAndroid
   void UpdateAnimationSize(const cc::CompositorFrameMetadata& frame_metadata);
   void ScheduleAnimationIfNecessary();
 
+  // Called after async thumbnailer task completes.  Scales and crops the result
+  // of the copy.
+  static void CopyFromCompositingSurfaceHasResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+  static void PrepareTextureCopyOutputResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+  static void PrepareBitmapCopyOutputResult(
+      const gfx::Size& dst_size_in_pixel,
+      const base::Callback<void(bool, const SkBitmap&)>& callback,
+      scoped_ptr<cc::CopyOutputResult> result);
+
   // The model object.
   RenderWidgetHostImpl* host_;