Move a bunch of code in content\renderer to the content namespace.

content/renderer/renderer_accessibility.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_RENDERER_RENDERER_ACCESSIBILITY_H_
 #define CONTENT_RENDERER_RENDERER_ACCESSIBILITY_H_
 
 #include "content/common/accessibility_messages.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityNotification.h"
 
-class RenderViewImpl;
-
 namespace WebKit {
 class WebAccessibilityObject;
 class WebDocument;
 };
 
 namespace content {
+class RenderViewImpl;
 
 // The browser process implement native accessibility APIs, allowing
 // assistive technology (e.g., screen readers, magnifiers) to access and
 // control the web contents with high-level APIs. These APIs are also used
 // by automation tools, and Windows 8 uses them to determine when the
 // on-screen keyboard should be shown.
 //
 // An instance of this class (or rather, a subclass) belongs to RenderViewImpl.
 // Accessibility is initialized based on the AccessibilityMode of
 // RenderViewImpl; it lazily starts as Off or EditableTextOnly depending on
@@ skipping 45 matching lines @@
 
   // True if verbose logging of accessibility events is on.
   bool logging_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererAccessibility);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_ACCESSIBILITY_H_