Consistent CopyFromSurface() API, consolidated to RWHV

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 0f488d8d88c866c07413ade08acdc0fc1ff70551..15b899540dc237e86f109eb9d4e65a42d230ea75 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -831,31 +831,6 @@ void RenderWidgetHostImpl::ViewDestroyed() {
   SetView(NULL);
 }
 
-void RenderWidgetHostImpl::CopyFromBackingStore(
-    const gfx::Rect& src_subrect,
-    const gfx::Size& accelerated_dst_size,
-    const ReadbackRequestCallback& callback,
-    const SkColorType preferred_color_type) {
-  if (view_) {
-    TRACE_EVENT0("browser",
-        "RenderWidgetHostImpl::CopyFromBackingStore::FromCompositingSurface");
-    gfx::Rect accelerated_copy_rect = src_subrect.IsEmpty() ?
-        gfx::Rect(view_->GetViewBounds().size()) : src_subrect;
-    view_->CopyFromCompositingSurface(accelerated_copy_rect,
-                                      accelerated_dst_size, callback,
-                                      preferred_color_type);
-    return;
-  }
-
-  callback.Run(SkBitmap(), content::READBACK_FAILED);
-}
-
-bool RenderWidgetHostImpl::CanCopyFromBackingStore() {
-  if (view_)
-    return view_->IsSurfaceAvailableForCopy();
-  return false;
-}
-
 #if defined(OS_MACOSX)
 void RenderWidgetHostImpl::PauseForPendingResizeOrRepaints() {
   TRACE_EVENT0("browser",