Migrate accessibility from RenderView to RenderFrame.

content/renderer/accessibility/renderer_accessibility.cc

 // 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/renderer/accessibility/renderer_accessibility.h"
 
 #include "base/command_line.h"
 #include "content/public/common/content_switches.h"
+#include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "third_party/WebKit/public/web/WebAXObject.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 using blink::WebAXObject;
 using blink::WebDocument;
 using blink::WebFrame;
 using blink::WebView;
 
 namespace content {
 
 RendererAccessibility::RendererAccessibility(
-    RenderViewImpl* render_view)
-    : RenderViewObserver(render_view),
-      render_view_(render_view),
+    RenderFrameImpl* render_frame)
+    : RenderViewObserver(render_frame->GetRenderView()),
+      render_frame_(render_frame),
       logging_(false) {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kEnableAccessibilityLogging))
     logging_ = true;
 }
 
 RendererAccessibility::~RendererAccessibility() {
 }
 
 WebDocument RendererAccessibility::GetMainDocument() {
-  WebView* view = render_view()->GetWebView();
+  WebView* view = render_frame_->render_view()->GetWebView();
   WebFrame* main_frame = view ? view->mainFrame() : NULL;
 
   if (main_frame)
     return main_frame->document();
 
   return WebDocument();
 }
 
 #ifndef NDEBUG
 const std::string RendererAccessibility::AccessibilityEventToString(
@@ skipping 68 matching lines @@
     case ui::AX_EVENT_VALUE_CHANGED:
       return "value changed";
     default:
       NOTREACHED();
   }
   return "";
 }
 #endif
 
 }  // namespace content