content: Add public context creation API.

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 <stdint.h>
 #include <unordered_set>
@@ skipping 336 matching lines @@
                                gfx::NativeWindow root_window) {
   return client ? new CompositorImpl(client, root_window) : NULL;
 }
 
 // static
 void Compositor::Initialize() {
   DCHECK(!CompositorImpl::IsInitialized());
   g_initialized = true;
 }
 
+gpu::GpuChannelEstablishFactory* Compositor::GetGpuChannelEstablishFactory() {

[klausw, 2017/03/05 01:49:54]

Add // static comment

[Khushal, 2017/03/05 01:59:53]

Done.

+  return BrowserGpuChannelFactoryHost::instance();
+}
+
 // static
 cc::SurfaceManager* CompositorImpl::GetSurfaceManager() {
   return &g_compositor_dependencies.Get().surface_manager;
 }
 
 // static
 cc::FrameSinkId CompositorImpl::AllocateFrameSinkId() {
   return g_compositor_dependencies.Get()
       .frame_sink_id_allocator.NextFrameSinkId();
 }
@@ skipping 454 matching lines @@
   }
   GetSurfaceManager()->UnregisterFrameSinkHierarchy(frame_sink_id_,
                                                     frame_sink_id);
 }
 
 bool CompositorImpl::HavePendingReadbacks() {
   return !readback_layer_tree_->children().empty();
 }
 
 }  // namespace content