Fix --single-process mode issues with GpuChannelHostFactory

content/common/webkitplatformsupport_impl.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 "base/command_line.h"
 #include "content/common/child_thread.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/socket_stream_dispatcher.h"
 #include "content/common/webkitplatformsupport_impl.h"
 #include "content/public/common/content_client.h"
@@ skipping 43 matching lines @@
 WebKitPlatformSupportImpl::createOffscreenGraphicsContext3D(
     const WebGraphicsContext3D::Attributes& attributes) {
   // The WebGraphicsContext3DInProcessImpl code path is used for
   // layout tests (though not through this code) as well as for
   // debugging and bringing up new ports.
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kInProcessWebGL)) {
     return webkit::gpu::WebGraphicsContext3DInProcessImpl::CreateForWebView(
             attributes, false);
   } else {
     base::WeakPtr<WebGraphicsContext3DSwapBuffersClient> null_client;
+    GpuChannelHostFactory* factory = GetGpuChannelHostFactory();
+    if (!factory)
+      return NULL;
     scoped_ptr<WebGraphicsContext3DCommandBufferImpl> context(
-        new WebGraphicsContext3DCommandBufferImpl(0, GURL(), null_client));
+        new WebGraphicsContext3DCommandBufferImpl(
+            0, GURL(), factory, null_client));
     if (!context->Initialize(attributes))
       return NULL;
     return context.release();
   }
 }
 
+GpuChannelHostFactory* WebKitPlatformSupportImpl::GetGpuChannelHostFactory() {
+  NOTREACHED();
+  return NULL;
+}
+
 }  // namespace content