Commiting the changes from my previous cl that are specific to not including ...

chrome/browser/browser_accessibility.h

Index: chrome/browser/browser_accessibility.h
===================================================================
--- chrome/browser/browser_accessibility.h	(revision 9176)
+++ chrome/browser/browser_accessibility.h	(working copy)
@@ -10,8 +10,10 @@
 
 #include <oleacc.h>
 
-#include "chrome/common/render_messages.h"
+#include "base/basictypes.h"
 
+struct ViewHostMsg_Accessibility_Out_Params;
+
 ////////////////////////////////////////////////////////////////////////////////
 //
 // BrowserAccessibility
@@ -144,7 +146,7 @@
                                 LONG input1, LONG input2);
 
   // Accessors.
-  ViewHostMsg_Accessibility_Out_Params response();
+  const ViewHostMsg_Accessibility_Out_Params& response();
   HWND parent_hwnd();
 
   // Id to uniquely distinguish this instance in the render-side caching,