Plumbing explicit share groups through context creation

content/browser/renderer_host/compositor_impl_android.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/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 #include <map>
 
@@ skipping 385 matching lines @@
   limits.min_transfer_buffer_size = 64 * 1024;
   limits.max_transfer_buffer_size = std::min(
       3 * full_screen_texture_size_in_bytes, kDefaultMaxTransferBufferSize);
   limits.mapped_memory_reclaim_limit = 2 * 1024 * 1024;
   return make_scoped_ptr(
       new WebGraphicsContext3DCommandBufferImpl(surface_id,
                                                 url,
                                                 gpu_channel_host.get(),
                                                 attributes,
                                                 false,
-                                                limits));
+                                                limits,
+                                                NULL));
 }
 
 scoped_ptr<cc::OutputSurface> CompositorImpl::CreateOutputSurface(
     bool fallback) {
   blink::WebGraphicsContext3D::Attributes attrs;
   attrs.shareResources = true;
   attrs.noAutomaticFlushes = true;
 
   DCHECK(window_);
   DCHECK(surface_id_);
@@ skipping 42 matching lines @@
 void CompositorImpl::DidAbortSwapBuffers() {
   TRACE_EVENT0("compositor", "CompositorImpl::DidAbortSwapBuffers");
   client_->OnSwapBuffersCompleted();
 }
 
 void CompositorImpl::DidCommit() {
   root_window_->OnCompositingDidCommit();
 }
 
 } // namespace content