Revert 135593 - Add initial GTK web accessibility framework (new with valgrind fix).

content/browser/accessibility/browser_accessibility_win.h

Index: content/browser/accessibility/browser_accessibility_win.h
===================================================================
--- content/browser/accessibility/browser_accessibility_win.h	(revision 135594)
+++ content/browser/accessibility/browser_accessibility_win.h	(working copy)
@@ -13,7 +13,6 @@
 
 #include <vector>
 
-#include "base/compiler_specific.h"
 #include "content/browser/accessibility/browser_accessibility.h"
 #include "content/common/content_export.h"
 #include "third_party/iaccessible2/ia2_api_all.h"
@@ -101,8 +100,6 @@
   CONTENT_EXPORT virtual void PostInitialize();
   CONTENT_EXPORT virtual void NativeAddReference();
   CONTENT_EXPORT virtual void NativeReleaseReference();
-  CONTENT_EXPORT virtual BrowserAccessibilityWin* ToBrowserAccessibilityWin()
-      OVERRIDE;
 
   //
   // IAccessible methods.