Provide shared context to Platform API in renderer.

content/browser/renderer_host/image_transport_factory.cc

 // Copyright (c) 2012 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/renderer_host/image_transport_factory.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
@@ skipping 659 matching lines @@
 }
 
 }  // anonymous namespace
 
 // static
 void ImageTransportFactory::Initialize() {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kTestCompositor)) {
     ui::SetupTestCompositor();
   }
-  if (ui::IsTestCompositorEnabled()) {
+  if (ui::IsTestCompositorEnabled())
     g_factory = new DefaultTransportFactory();
-    WebKitPlatformSupportImpl::SetOffscreenContextFactoryForTest(
-        CreateTestContext);
-  } else {
+  else
     g_factory = new GpuProcessTransportFactory();
-  }
   ui::ContextFactory::SetInstance(g_factory->AsContextFactory());
 }
 
 // static
 void ImageTransportFactory::Terminate() {
   ui::ContextFactory::SetInstance(NULL);
   delete g_factory;
   g_factory = NULL;
 }
 
 // static
 ImageTransportFactory* ImageTransportFactory::GetInstance() {
   return g_factory;
 }
 
 }  // namespace content