Remove WebCompositorSupport::initialize/shutdown dependency from webkit_support::CreateLayerTreeView

webkit/compositor_bindings/web_layer_tree_view_impl_for_testing.h

 // Copyright 2013 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 WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
 #define WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/layer_tree_host_client.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebLayerTreeView.h"
 #include "webkit/compositor_bindings/webkit_compositor_bindings_export.h"
 #include "webkit/support/webkit_support.h"
 
 namespace cc {
 class LayerTreeHost;
 class Thread;
 }
 
 namespace WebKit {
 class WebLayer;
 
 class WebLayerTreeViewImplForTesting : public WebKit::WebLayerTreeView,
                                        public cc::LayerTreeHostClient {
  public:
-  enum RenderingType {
-    FAKE_CONTEXT,
-    SOFTWARE_CONTEXT,
-    MESA_CONTEXT
-  };
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT WebLayerTreeViewImplForTesting(
-      RenderingType type,
+      webkit_support::LayerTreeViewType type,
       webkit_support::DRTLayerTreeViewClient* client);
   virtual ~WebLayerTreeViewImplForTesting();
 
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT bool initialize(
       scoped_ptr<cc::Thread> compositor_thread);
 
   // WebLayerTreeView implementation.
   virtual void setSurfaceReady();
   virtual void setRootLayer(const WebLayer&);
   virtual void clearRootLayer();
@@ skipping 38 matching lines @@
   virtual void didCommit() OVERRIDE;
   virtual void didCommitAndDrawFrame() OVERRIDE;
   virtual void didCompleteSwapBuffers() OVERRIDE;
   virtual void scheduleComposite() OVERRIDE;
   virtual scoped_refptr<cc::ContextProvider>
   OffscreenContextProviderForMainThread() OVERRIDE;
   virtual scoped_refptr<cc::ContextProvider>
   OffscreenContextProviderForCompositorThread() OVERRIDE;
 
  private:
-  RenderingType type_;
+  webkit_support::LayerTreeViewType type_;
   webkit_support::DRTLayerTreeViewClient* client_;
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 };
 
 }  // namespace Web_kit
 
 #endif  // WEBKIT_COMPOSITOR_BINDINGS_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_