Migrate accessibility from RenderView to RenderFrame.

content/browser/renderer_host/render_widget_host_view_mac.mm

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_mac.h"
 
 #import <objc/runtime.h>
 #include <QuartzCore/QuartzCore.h>
 
 #include "base/basictypes.h"
@@ skipping 2044 matching lines @@
   helper.ShowDefinitionForSelection();
 }
 
 void RenderWidgetHostViewMac::SetBackground(const SkBitmap& background) {
   RenderWidgetHostViewBase::SetBackground(background);
   if (render_widget_host_)
     render_widget_host_->Send(new ViewMsg_SetBackground(
         render_widget_host_->GetRoutingID(), background));
 }
 
-void RenderWidgetHostViewMac::CreateBrowserAccessibilityManagerIfNeeded() {
+void RenderWidgetHostViewMac::CreateBrowserAccessibilityManagerIfNeeded(
+    BrowserAccessibilityDelegate* delegate) {
   if (!GetBrowserAccessibilityManager()) {
     SetBrowserAccessibilityManager(
         new BrowserAccessibilityManagerMac(
             cocoa_view_,
             BrowserAccessibilityManagerMac::GetEmptyDocument(),
-            render_widget_host_));
+            delegate));
   }
 }
 
 gfx::Point RenderWidgetHostViewMac::AccessibilityOriginInScreen(
     const gfx::Rect& bounds) {
   NSPoint origin = NSMakePoint(bounds.x(), bounds.y());
   NSSize size = NSMakeSize(bounds.width(), bounds.height());
   origin.y = NSHeight([cocoa_view_ bounds]) - origin.y;
   NSPoint originInWindow = [cocoa_view_ convertPoint:origin toView:nil];
   NSPoint originInScreen =
@@ skipping 2225 matching lines @@
 }
 
 - (void)disableRendering {
   // Disable the fade-out animation as the layer is removed.
   ScopedCAActionDisabler disabler;
   [self removeFromSuperlayer];
   renderWidgetHostView_ = nil;
 }
 
 @end  // implementation SoftwareLayer