Mac: Fix black flashing during tab switch

content/browser/compositor/gpu_process_transport_factory.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/gpu_process_transport_factory.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 451 matching lines @@
 }
 
 #if defined(OS_MACOSX)
 void GpuProcessTransportFactory::OnSurfaceDisplayed(int surface_id) {
   BrowserCompositorOutputSurface* surface = output_surface_map_.Lookup(
       surface_id);
   if (surface)
     surface->OnSurfaceDisplayed();
 }
 
-void GpuProcessTransportFactory::OnCompositorRecycled(
-    ui::Compositor* compositor) {
+void GpuProcessTransportFactory::SetCompositorSuspendedForRecycle(
+    ui::Compositor* compositor,
+    bool suspended) {
   PerCompositorDataMap::iterator it = per_compositor_data_.find(compositor);
   if (it == per_compositor_data_.end())
     return;
   PerCompositorData* data = it->second;
   DCHECK(data);
   BrowserCompositorOutputSurface* surface =
       output_surface_map_.Lookup(data->surface_id);
   if (surface)
-    surface->OnSurfaceRecycled();
+    surface->SetSurfaceSuspendedForRecycle(suspended);
 }
 
-bool GpuProcessTransportFactory::SurfaceShouldNotShowFramesAfterRecycle(
-    int surface_id) const {
+bool GpuProcessTransportFactory::
+    SurfaceShouldNotShowFramesAfterSuspendForRecycle(int surface_id) const {
   BrowserCompositorOutputSurface* surface =
       output_surface_map_.Lookup(surface_id);
   if (surface)
-    return surface->ShouldNotShowFramesAfterRecycle();
+    return surface->SurfaceShouldNotShowFramesAfterSuspendForRecycle();
   return false;
 }
 #endif
 
 scoped_refptr<cc::ContextProvider>
 GpuProcessTransportFactory::SharedMainThreadContextProvider() {
   if (shared_main_thread_contexts_.get())
     return shared_main_thread_contexts_;
 
   // In threaded compositing mode, we have to create our own context for the
@@ skipping 87 matching lines @@
   FOR_EACH_OBSERVER(ImageTransportFactoryObserver,
                     observer_list_,
                     OnLostResources());
 
   // Kill things that use the shared context before killing the shared context.
   lost_gl_helper.reset();
   lost_shared_main_thread_contexts  = NULL;
 }
 
 }  // namespace content