Migrate accessibility from RenderView to RenderFrame.

content/public/browser/web_contents.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 210 matching lines @@
   // keep track of it manually, it can use this.
   virtual WebUI* CreateWebUI(const GURL& url) = 0;
 
   // Returns the committed WebUI if one exists, otherwise the pending one.
   virtual WebUI* GetWebUI() const = 0;
   virtual WebUI* GetCommittedWebUI() const = 0;
 
   // Allows overriding the user agent used for NavigationEntries it owns.
   virtual void SetUserAgentOverride(const std::string& override) = 0;
   virtual const std::string& GetUserAgentOverride() const = 0;
 

[ncarter (slow), 2014/05/14 23:56:23]

These deserve comments; this is a widely read file.

[dmazzoni, 2014/05/19 07:25:01]

Done.

+  virtual void EnableTreeOnlyAccessibilityMode() = 0;
+  virtual bool IsTreeOnlyAccessibilityModeForTesting() const = 0;
+  virtual bool IsFullAccessibilityModeForTesting() const = 0;
+
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) = 0;
 #endif
 
   // Tab navigation state ------------------------------------------------------
 
   // Returns the current navigation properties, which if a navigation is
   // pending may be provisional (e.g., the navigation could result in a
   // download, in which case the URL would revert to what it was previously).
@@ skipping 363 matching lines @@
 
  private:
   // This interface should only be implemented inside content.
   friend class WebContentsImpl;
   WebContents() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_H_