Use solid color layer for delegated surface.

content/browser/compositor/reflector_impl.cc

 // Copyright 2014 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/browser/compositor/reflector_impl.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "content/browser/compositor/browser_compositor_output_surface.h"
 #include "content/browser/compositor/owned_mailbox.h"
@@ skipping 70 matching lines @@
 
 void ReflectorImpl::OnSourceSurfaceReady(
     BrowserCompositorOutputSurface* source_surface) {
   ImplThreadData& impl = GetImpl();
   AttachToOutputSurfaceOnImplThread(impl.mailbox_holder, source_surface);
 }
 
 void ReflectorImpl::Shutdown() {
   MainThreadData& main = GetMain();
   main.mailbox = NULL;
-  main.mirroring_layer->SetShowPaintedContent();
+  main.mirroring_layer->SetShowSolidColorContent();
   main.mirroring_layer = NULL;
   impl_message_loop_->PostTask(
       FROM_HERE, base::Bind(&ReflectorImpl::ShutdownOnImplThread, this));
 }
 
 void ReflectorImpl::DetachFromOutputSurface() {
   ImplThreadData& impl = GetImpl();
   DCHECK(impl.output_surface);
   impl.output_surface->SetReflector(NULL);
   DCHECK(impl.texture_id);
@@ skipping 13 matching lines @@
                                base::Bind(&ReflectorImpl::DeleteOnMainThread,
                                           scoped_refptr<ReflectorImpl>(this)));
 }
 
 void ReflectorImpl::ReattachToOutputSurfaceFromMainThread(
     BrowserCompositorOutputSurface* output_surface) {
   MainThreadData& main = GetMain();
   GLHelper* helper = ImageTransportFactory::GetInstance()->GetGLHelper();
   main.mailbox = new OwnedMailbox(helper);
   main.needs_set_mailbox = true;
-  main.mirroring_layer->SetShowPaintedContent();
+  main.mirroring_layer->SetShowSolidColorContent();
   impl_message_loop_->PostTask(
       FROM_HERE,
       base::Bind(&ReflectorImpl::AttachToOutputSurfaceOnImplThread,
                  this,
                  main.mailbox->holder(),
                  output_surface));
 }
 
 void ReflectorImpl::OnMirroringCompositorResized() {
   MainThreadData& main = GetMain();
@@ skipping 100 matching lines @@
   gfx::Rect new_rect(rect.x(), y, rect.width(), rect.height());
   main.mirroring_layer->SchedulePaint(new_rect);
 }
 
 void ReflectorImpl::FullRedrawContentOnMainThread() {
   MainThreadData& main = GetMain();
   main.mirrored_compositor->ScheduleFullRedraw();
 }
 
 }  // namespace content