Implement touch selection for RWHVV.

chrome/browser/renderer_host/render_widget_host_view_mac.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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
@@ skipping 188 matching lines @@
   virtual void ImeCancelComposition() OVERRIDE;
   virtual void ImeCompositionRangeChanged(const ui::Range& range) OVERRIDE;
   virtual void DidUpdateBackingStore(
       const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy,
       const std::vector<gfx::Rect>& copy_rects) OVERRIDE;
   virtual void RenderViewGone(base::TerminationStatus status,
                               int error_code) OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual void SetTooltipText(const std::wstring& tooltip_text) OVERRIDE;
   virtual void SelectionChanged(const std::string& text,
-                                const ui::Range& range) OVERRIDE;
+                                const ui::Range& range,
+                                const gfx::Point& start,
+                                const gfx::Point& end) OVERRIDE;
   virtual void ShowingContextMenu(bool showing) OVERRIDE;
   virtual BackingStore* AllocBackingStore(const gfx::Size& size) OVERRIDE;
   virtual void SetTakesFocusOnlyOnMouseDown(bool flag) OVERRIDE;
   // See comment in RenderWidgetHostView!
   virtual gfx::Rect GetViewCocoaBounds() const OVERRIDE;
   virtual gfx::Rect GetRootWindowRect() OVERRIDE;
   virtual void SetActive(bool active) OVERRIDE;
   virtual void SetWindowVisibility(bool visible) OVERRIDE;
   virtual void WindowFrameChanged() OVERRIDE;
   virtual void SetBackground(const SkBitmap& background) OVERRIDE;
@@ skipping 168 matching lines @@
   // hidden until the software backing store has been updated. This variable is
   // set when the gpu widget needs to be hidden once a paint is completed.
   bool needs_gpu_visibility_update_after_repaint_;
 
   gfx::PluginWindowHandle compositing_surface_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewMac);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_MAC_H_