Revert of Pinch/Zoom Infrastructure & Plumbing CL

content/test/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 CONTENT_TEST_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
 #define CONTENT_TEST_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/trees/layer_tree_host_client.h"
 #include "cc/trees/layer_tree_host_single_thread_client.h"
@@ skipping 39 matching lines @@
                                        double duration_sec);
   virtual void setNeedsAnimate();
   virtual bool commitRequested() const;
   virtual void composite();
   virtual void didStopFlinging();
   virtual bool compositeAndReadback(void* pixels, const blink::WebRect& rect);
   virtual void finishAllRendering();
   virtual void setDeferCommits(bool defer_commits);
   virtual void renderingStats(
       blink::WebRenderingStats& stats) const;  // NOLINT(runtime/references)
-  virtual void registerViewportLayers(
-      const blink::WebLayer* pageScaleLayerLayer,
-      const blink::WebLayer* innerViewportScrollLayer,
-      const blink::WebLayer* outerViewportScrollLayer) OVERRIDE;
-  virtual void clearViewportLayers() OVERRIDE;
 
   // cc::LayerTreeHostClient implementation.
   virtual void WillBeginMainFrame(int frame_id) OVERRIDE {}
   virtual void DidBeginMainFrame() OVERRIDE {}
   virtual void Animate(double frame_begin_time) OVERRIDE {}
   virtual void Layout() OVERRIDE;
   virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta, float page_scale)
       OVERRIDE;
   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(bool fallback)
       OVERRIDE;
@@ skipping 13 matching lines @@
 
  private:
   scoped_ptr<cc::LayerTreeHost> layer_tree_host_;
 
   DISALLOW_COPY_AND_ASSIGN(WebLayerTreeViewImplForTesting);
 };
 
 }  // namespace webkit
 
 #endif  // CONTENT_TEST_WEB_LAYER_TREE_VIEW_IMPL_FOR_TESTING_H_