AW hardware draw mega patch

content/browser/android/in_process/synchronous_compositor_output_surface.cc

Index: content/browser/android/in_process/synchronous_compositor_output_surface.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.cc b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
index 7613168adfd70901b16776a56a58c042b8d6bdaf..4ca89a90ec5d8aa77b096c720d40633576366f7c 100644
--- a/content/browser/android/in_process/synchronous_compositor_output_surface.cc
+++ b/content/browser/android/in_process/synchronous_compositor_output_surface.cc
@@ -17,6 +17,7 @@
 #include "content/public/browser/android/synchronous_compositor_client.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/content_switches.h"
+#include "content/renderer/android/synchronous_compositor_factory.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkDevice.h"
@@ -92,6 +93,12 @@ SynchronousCompositorOutputSurface::SynchronousCompositorOutputSurface(
   capabilities_.deferred_gl_initialization = true;
   // Cannot call out to GetDelegate() here as the output surface is not
   // constructed on the correct thread.
+
+  SynchronousCompositorFactory* factory =
+      SynchronousCompositorFactory::GetInstance();
+  DCHECK(factory);
+  context_provider_for_compositor_thread_ =
+      factory->GetOffscreenContextProviderForCompositorThread();
 }
 
 SynchronousCompositorOutputSurface::~SynchronousCompositorOutputSurface() {
@@ -153,9 +160,11 @@ bool SynchronousCompositorOutputSurface::InitializeHwDraw() {
   DCHECK(client_);
   DCHECK(!context3d_);
 
-  // TODO(boliu): Get a context provider in constructor and pass here.
+  scoped_refptr<cc::ContextProvider> provider;
+  provider.swap(context_provider_for_compositor_thread_);
+
   return InitializeAndSetContext3D(CreateWebGraphicsContext3D().Pass(),
-                                   scoped_refptr<cc::ContextProvider>());
+                                   provider);
 }
 
 bool SynchronousCompositorOutputSurface::DemandDrawHw(