Adds a BrowserAccessibilityManager accessor to RenderWidgetHostView.

content/browser/renderer_host/render_widget_host_view_win.h

Index: content/browser/renderer_host/render_widget_host_view_win.h
diff --git a/content/browser/renderer_host/render_widget_host_view_win.h b/content/browser/renderer_host/render_widget_host_view_win.h
index 87ddba3758511b5066bc263ac134976f7cdbf6a1..8c6035f89b66bb87403bfa624c4e67c44bc4f631 100644
--- a/content/browser/renderer_host/render_widget_host_view_win.h
+++ b/content/browser/renderer_host/render_widget_host_view_win.h
@@ -19,7 +19,6 @@
 #include "base/memory/weak_ptr.h"
 #include "base/time.h"
 #include "base/win/scoped_comptr.h"
-#include "content/browser/accessibility/browser_accessibility_manager.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/notification_observer.h"
@@ -454,10 +453,6 @@ class RenderWidgetHostViewWin
   // when shown again.
   HWND parent_hwnd_;
 
-  // Instance of accessibility information for the root of the MSAA
-  // tree representation of the WebKit render tree.
-  scoped_ptr<BrowserAccessibilityManager> browser_accessibility_manager_;
-
   // The time at which this view started displaying white pixels as a result of
   // not having anything to paint (empty backing store from renderer). This
   // value returns true for is_null() if we are not recording whiteout times.