cc: Make OutputSurface::SwapBuffers pure virtual

mojo/services/surfaces/surfaces_impl.cc

 // Copyright 2014 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 "mojo/services/surfaces/surfaces_impl.h"
 
 #include "cc/output/compositor_frame.h"
 #include "cc/resources/returned_resource.h"
 #include "cc/surfaces/display.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "mojo/cc/context_provider_mojo.h"
+#include "mojo/cc/direct_output_surface.h"
 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h"
 #include "mojo/services/public/cpp/surfaces/surfaces_type_converters.h"
 
 namespace mojo {
 
 SurfacesImpl::SurfacesImpl(cc::SurfaceManager* manager,
                            uint32_t id_namespace,
                            Client* client)
     : manager_(manager),
       factory_(manager, this),
@@ skipping 48 matching lines @@
   if (cc::SurfaceIdAllocator::NamespaceForId(cc_id) != id_namespace_) {
     // Bad message, do something bad to the caller?
     LOG(FATAL) << "Received request for id " << cc_id.id << " namespace "
                << cc::SurfaceIdAllocator::NamespaceForId(cc_id)
                << " should be namespace " << id_namespace_;
     return;
   }
   if (!display_) {
     display_.reset(new cc::Display(this, manager_, NULL));
     client_->SetDisplay(display_.get());
-    display_->Initialize(make_scoped_ptr(new cc::OutputSurface(
+    display_->Initialize(make_scoped_ptr(new DirectOutputSurface(
         new ContextProviderMojo(command_buffer_handle_.Pass()))));
   }
   factory_.Create(cc_id, size.To<gfx::Size>());
   display_->Resize(cc_id, size.To<gfx::Size>());
 }
 
 void SurfacesImpl::ReturnResources(const cc::ReturnedResourceArray& resources) {
   Array<ReturnedResourcePtr> ret(resources.size());
   for (size_t i = 0; i < resources.size(); ++i) {
     ret[i] = ReturnedResource::From(resources[i]);
@@ skipping 14 matching lines @@
                                          base::TimeDelta interval) {
 }
 
 void SurfacesImpl::OutputSurfaceLost() {
 }
 
 void SurfacesImpl::SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) {
 }
 
 }  // namespace mojo