Add support for rect-based event targeting in views

chrome/browser/ui/views/tabs/tab.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 CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 
 #include <list>
 #include <string>
 
@@ skipping 153 matching lines @@
   virtual void ShowContextMenuForView(views::View* source,
                                       const gfx::Point& point,
                                       ui::MenuSourceType source_type) OVERRIDE;
 
   // Overridden from views::View:
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
   virtual void Layout() OVERRIDE;
   virtual void OnThemeChanged() OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
   virtual bool HasHitTestMask() const OVERRIDE;
-  virtual void GetHitTestMask(gfx::Path* path) const OVERRIDE;
+  virtual void GetHitTestMask(gfx::Path* path,
+      HitTestSource source = HIT_TEST_SOURCE_MOUSE) const OVERRIDE;
   virtual bool GetTooltipText(const gfx::Point& p,
                               string16* tooltip) const OVERRIDE;
   virtual bool GetTooltipTextOrigin(const gfx::Point& p,
                                     gfx::Point* origin) const OVERRIDE;
   virtual ui::ThemeProvider* GetThemeProvider() const OVERRIDE;
   virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
   virtual bool OnMouseDragged(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
   virtual void OnMouseCaptureLost() OVERRIDE;
   virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
@@ skipping 191 matching lines @@
   static int font_height_;
 
   // As the majority of the tabs are inactive, and painting tabs is slowish,
   // we cache a handful of the inactive tab backgrounds here.
   static ImageCache* image_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_