Split accessible bounds calculation into two methods for Mac & Win

content/browser/accessibility/browser_accessibility.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_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_
 #pragma once
 
 #include <map>
 #include <utility>
@@ skipping 79 matching lines @@
   BrowserAccessibility* GetChild(uint32 child_index);
 
   // Return the previous sibling of this object, or NULL if it's the first
   // child of its parent.
   BrowserAccessibility* GetPreviousSibling();
 
   // Return the next sibling of this object, or NULL if it's the last child
   // of its parent.
   BrowserAccessibility* GetNextSibling();
 
+  // Returns the bounds of this object in coordinates relative to the
+  // top-left corner of the overall web area.
+  gfx::Rect GetLocalBoundsRect();
+
   // Returns the bounds of this object in screen coordinates.
-  gfx::Rect GetBoundsRect();
+  gfx::Rect GetGlobalBoundsRect();
 
-  // Returns the deepest descendant that contains the specified point.
+  // Returns the deepest descendant that contains the specified point
+  // (in global screen coordinates).
   BrowserAccessibility* BrowserAccessibilityForPoint(const gfx::Point& point);
 
   //
   // Reference counting
   //
   // Each object has an internal reference count and many platform
   // implementations may also use native reference counting.
   //
   // The internal reference counting is used because sometimes
   // multiple references to the same object exist temporarily during
@@ skipping 156 matching lines @@
   // tree, a client may still be holding onto a pointer to this object, so
   // we mark it as inactive so that calls to any of this object's methods
   // immediately return failure.
   bool instance_active_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibility);
 };
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_H_