Migrate accessibility from RenderView to RenderFrame.

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 86c8a12152edf6c1f6783b3a00031462c5f9a22d..89a74453f57871b093e4f1b91e7c85584b0a5045 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -145,7 +145,6 @@ class PepperPluginInstanceImpl;
 class PushMessagingDispatcher;
 class RenderViewObserver;
 class RenderViewTest;
-class RendererAccessibility;
 class RendererDateTimePicker;
 class RendererWebColorChooserImpl;
 class SpeechRecognitionDispatcher;
@@ -189,8 +188,7 @@ class CONTENT_EXPORT RenderViewImpl
                                 bool hidden,
                                 bool never_visible,
                                 int32 next_page_id,
-                                const blink::WebScreenInfo& screen_info,
-                                AccessibilityMode accessibility_mode);
+                                const blink::WebScreenInfo& screen_info);
 
   // Used by content_layouttest_support to hook into the creation of
   // RenderViewImpls.
@@ -227,14 +225,6 @@ class CONTENT_EXPORT RenderViewImpl
     return media_stream_dispatcher_;
   }
 
-  AccessibilityMode accessibility_mode() {
-    return accessibility_mode_;
-  }
-
-  RendererAccessibility* renderer_accessibility() {
-    return renderer_accessibility_;
-  }
-
   MouseLockDispatcher* mouse_lock_dispatcher() {
     return mouse_lock_dispatcher_;
   }
@@ -589,7 +579,6 @@ class CONTENT_EXPORT RenderViewImpl
   // For unit tests.
   friend class ExternalPopupMenuTest;
   friend class PepperDeviceTest;
-  friend class RendererAccessibilityTest;
   friend class RenderViewTest;
 
   // TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
@@ -614,7 +603,7 @@ class CONTENT_EXPORT RenderViewImpl
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
-  FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetAccessibilityMode);
+  //FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetAccessibilityMode);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
   FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
@@ -740,7 +729,6 @@ class CONTENT_EXPORT RenderViewImpl
   void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
   void OnReleaseDisambiguationPopupBitmap(const cc::SharedBitmapId& id);
   void OnResetPageEncodingToDefault();
-  void OnSetAccessibilityMode(AccessibilityMode new_mode);
   void OnSetActive(bool active);
   void OnSetBackground(const SkBitmap& background);
   void OnExitFullscreen();
@@ -1086,13 +1074,6 @@ class CONTENT_EXPORT RenderViewImpl
 
   DevToolsAgent* devtools_agent_;
 
-  // The current accessibility mode.
-  AccessibilityMode accessibility_mode_;
-
-  // Only valid if |accessibility_mode_| is anything other than
-  // AccessibilityModeOff.
-  RendererAccessibility* renderer_accessibility_;
-
   // Mouse Lock dispatcher attached to this view.
   MouseLockDispatcher* mouse_lock_dispatcher_;