mac: Only let two-finger-scrolling trigger history if web doesn't swallow gesture

content/browser/renderer_host/test_render_view_host.h

 // Copyright (c) 2011 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_TEST_TEST_RENDER_VIEW_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_TEST_TEST_RENDER_VIEW_HOST_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
@@ skipping 106 matching lines @@
       int renderer_id,
       int32 route_id,
       int gpu_host_id,
       uint64 swap_buffers_count) OVERRIDE;
   virtual void GpuRenderingStateDidChange() OVERRIDE;
 #elif defined(OS_WIN)
   virtual void WillWmDestroy() OVERRIDE;
   virtual void ShowCompositorHostWindow(bool show) OVERRIDE;
 #endif
   virtual void SetVisuallyDeemphasized(const SkColor* color, bool animate) { }
+  virtual void UnhandledWheelEvent(
+      const WebKit::WebMouseWheelEvent& event) { }
+  virtual void SetHasHorizontalScrollbar(
+      bool has_horizontal_scrollbar) { }
+  virtual void SetScrollOffsetPinning(
+      bool is_pinned_to_left, bool is_pinned_to_right) { }
 
 #if defined(TOUCH_UI)
   virtual void AcceleratedSurfaceSetIOSurface(
       int32 width, int32 height, uint64 surface_id) { }
   virtual void AcceleratedSurfaceBuffersSwapped(uint64 surface_id) { }
   virtual void AcceleratedSurfaceRelease(uint64 surface_id) { }
 #endif
 
 #if defined(TOOLKIT_USES_GTK)
   virtual void CreatePluginContainer(gfx::PluginWindowHandle id) { }
@@ skipping 181 matching lines @@
   MockRenderProcessHostFactory rph_factory_;
   TestRenderViewHostFactory rvh_factory_;
 
  private:
   scoped_ptr<TestTabContents> contents_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostTestHarness);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_TEST_TEST_RENDER_VIEW_HOST_H_