Add create WGC3DInProcessCommandBuffer for on-screen context

webkit/tools/test_shell/test_shell_webkit_init.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 "webkit/tools/test_shell/test_shell_webkit_init.h"
 
 #include "base/metrics/stats_counters.h"
 #include "base/path_service.h"
 #include "media/base/media.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h"
@@ skipping 248 matching lines @@
   return dom_storage_system_.CreateLocalStorageNamespace();
 }
 
 WebKit::WebIDBFactory* TestShellWebKitInit::idbFactory() {
   return WebKit::WebIDBFactory::create();
 }
 
 WebKit::WebGraphicsContext3D*
 TestShellWebKitInit::createOffscreenGraphicsContext3D(
     const WebKit::WebGraphicsContext3D::Attributes& attributes) {
-  return new webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl(
+  using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
+  return WebGraphicsContext3DInProcessCommandBufferImpl::CreateOffscreenContext(
       attributes);
 }
 
 void TestShellWebKitInit::GetPlugins(
     bool refresh, std::vector<webkit::WebPluginInfo>* plugins) {
   if (refresh)
     webkit::npapi::PluginList::Singleton()->RefreshPlugins();
   webkit::npapi::PluginList::Singleton()->GetPlugins(plugins);
 }
 
 webkit_glue::ResourceLoaderBridge*
 TestShellWebKitInit::CreateResourceLoader(
     const webkit_glue::ResourceLoaderBridge::RequestInfo& request_info) {
   return SimpleResourceLoaderBridge::Create(request_info);
 }
 
 webkit_glue::WebSocketStreamHandleBridge*
 TestShellWebKitInit::CreateWebSocketBridge(
     WebKit::WebSocketStreamHandle* handle,
     webkit_glue::WebSocketStreamHandleDelegate* delegate) {
   return SimpleSocketStreamBridge::Create(handle, delegate);
 }