Adding support for VSyncProvider to the software drawing path

content/browser/aura/gpu_process_transport_factory.cc

 // Copyright (c) 2013 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/aura/gpu_process_transport_factory.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 231 matching lines @@
   UMA_HISTOGRAM_BOOLEAN("Aura.CreatedGpuBrowserCompositor", !!context_provider);
 
   if (!context_provider.get()) {
     if (ui::Compositor::WasInitializedWithThread()) {
       LOG(FATAL) << "Failed to create UI context, but can't use software"
                  " compositing with browser threaded compositing. Aborting.";
     }
 
     scoped_ptr<SoftwareBrowserCompositorOutputSurface> surface =
         SoftwareBrowserCompositorOutputSurface::Create(
-            CreateSoftwareOutputDevice(compositor));
+            CreateSoftwareOutputDevice(compositor),
+            base::MessageLoopProxy::current().get(),
+            compositor->AsWeakPtr());
     return surface.PassAs<cc::OutputSurface>();
   }
 
   scoped_refptr<base::SingleThreadTaskRunner> compositor_thread_task_runner =
       ui::Compositor::GetCompositorMessageLoop();
   if (!compositor_thread_task_runner.get())
     compositor_thread_task_runner = base::MessageLoopProxy::current();
 
   // Here we know the GpuProcessHost has been set up, because we created a
   // context.
@@ skipping 283 matching lines @@
                     observer_list_,
                     OnLostResources());
 
   // Kill things that use the shared context before killing the shared context.
   lost_gl_helper.reset();
   lost_offscreen_compositor_contexts = NULL;
   lost_shared_main_thread_contexts  = NULL;
 }
 
 }  // namespace content