Add argument to pass elastic overscroll delta to Blink (Chrome side)

content/browser/renderer_host/compositor_impl_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_
 
 #include "base/basictypes.h"
 #include "base/cancelable_callback.h"
 #include "base/compiler_specific.h"
@@ skipping 54 matching lines @@
   virtual ui::ResourceManager& GetResourceManager() override;
 
   // LayerTreeHostClient implementation.
   virtual void WillBeginMainFrame(int frame_id) override {}
   virtual void DidBeginMainFrame() override {}
   virtual void BeginMainFrame(const cc::BeginFrameArgs& args) override {}
   virtual void Layout() override;
   virtual void ApplyViewportDeltas(
       const gfx::Vector2d& inner_delta,
       const gfx::Vector2d& outer_delta,
+      const gfx::Vector2dF& elastic_overscroll_delta,
       float page_scale,
       float top_controls_delta) override {}
   virtual void ApplyViewportDeltas(
       const gfx::Vector2d& scroll_delta,
       float page_scale,
       float top_controls_delta) override {}
   virtual void RequestNewOutputSurface(bool fallback) override;
   virtual void DidInitializeOutputSurface() override {}
   virtual void WillCommit() override {}
   virtual void DidCommit() override;
@@ skipping 108 matching lines @@
   base::TimeTicks last_vsync_;
 
   base::WeakPtrFactory<CompositorImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorImpl);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITOR_IMPL_ANDROID_H_