Plumb smooth scrolling in Chromium compositor

android_webview/renderer/aw_render_view_ext.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 ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_
 #define ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/timer/timer.h"
@@ skipping 36 matching lines @@
                    const gfx::SizeF& touch_area);
 
   void OnSetTextZoomFactor(float zoom_factor);
 
   void OnResetScrollAndScaleState();
 
   void OnSetInitialPageScale(double page_scale_factor);
 
   void OnSetBackgroundColor(SkColor c);
 
+  void OnSmoothScroll(int target_x, int target_y, long duration_ms);
+
   void UpdatePageScaleFactor();
 
   void CheckContentsSize();
 
   bool capture_picture_enabled_;
 
   float page_scale_factor_;
 
   gfx::Size last_sent_contents_size_;
   base::OneShotTimer<AwRenderViewExt> check_contents_size_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(AwRenderViewExt);
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_RENDERER_AW_RENDER_VIEW_EXT_H_