Enable the Sky compositor again

sky/viewer/document_view.h

 // 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.
 
 #ifndef SKY_VIEWER_DOCUMENT_VIEW_H_
 #define SKY_VIEWER_DOCUMENT_VIEW_H_
 
 #include "base/callback.h"
 #include "base/memory/weak_ptr.h"
 #include "mojo/public/cpp/application/lazy_interface_ptr.h"
 #include "mojo/public/cpp/application/service_provider_impl.h"
 #include "mojo/public/cpp/bindings/interface_impl.h"
 #include "mojo/public/interfaces/application/application.mojom.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_client_factory.h"
 #include "mojo/services/public/cpp/view_manager/view_manager_delegate.h"
 #include "mojo/services/public/cpp/view_manager/view_observer.h"
 #include "mojo/services/public/interfaces/content_handler/content_handler.mojom.h"
 #include "mojo/services/public/interfaces/navigation/navigation.mojom.h"
 #include "mojo/services/public/interfaces/network/url_loader.mojom.h"
 #include "sky/compositor/layer_client.h"
 #include "sky/compositor/layer_host_client.h"
 #include "sky/engine/public/platform/ServiceProvider.h"
 #include "sky/engine/public/web/WebFrameClient.h"
 #include "sky/engine/public/web/WebViewClient.h"
 #include "sky/viewer/services/inspector_impl.h"
 
 // You can try enabling the Sky compositor, but it's a bit buggy.
-#define ENABLE_SKY_COMPOSITOR 0
+#define ENABLE_SKY_COMPOSITOR 1
 
 namespace base {
 class MessageLoopProxy;
 }
 
 namespace mojo {
 class ViewManager;
 class View;
 }
 
@@ skipping 114 matching lines @@
   scoped_ptr<inspector::InspectorBackendMojo> inspector_backend_;
   int debugger_id_;
 
   base::WeakPtrFactory<DocumentView> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(DocumentView);
 };
 
 }  // namespace sky
 
 #endif  // SKY_VIEWER_DOCUMENT_VIEW_H_