Revert 49339 - Enable renderer accessibility by default....

chrome/browser/renderer_host/render_widget_host.h

Index: chrome/browser/renderer_host/render_widget_host.h
===================================================================
--- chrome/browser/renderer_host/render_widget_host.h	(revision 49342)
+++ chrome/browser/renderer_host/render_widget_host.h	(working copy)
@@ -6,8 +6,6 @@
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_H_
 
 #include <deque>
-#include <string>
-#include <vector>
 
 #include "app/surface/transport_dib.h"
 #include "base/gtest_prod_util.h"
@@ -372,14 +370,6 @@
   // Requests a snapshot of an accessible DOM tree from the renderer.
   void RequestAccessibilityTree();
 
-  // Aid for determining when an accessibility tree request can be made. Set by
-  // TabContents to true on document load and to false on page nativigation.
-  void SetDocumentLoaded(bool document_loaded);
-
-  // Enable renderer accessibility. This should only be called when a
-  // screenreader is detected.
-  void EnableRendererAccessibility();
-
   // Relays a request from assistive technology to set focus to the
   // node with this accessibility object id.
   void SetAccessibilityFocus(int acc_obj_id);
@@ -540,10 +530,6 @@
   // input messages to be coalesced.
   void ProcessWheelAck();
 
-  // True if renderer accessibility is enabled. This should only be set when a
-  // screenreader is detected as it can potentially slow down Chrome.
-  static bool renderer_accessible_;
-
   // The View associated with the RenderViewHost. The lifetime of this object
   // is associated with the lifetime of the Render process. If the Renderer
   // crashes, its View is destroyed and this pointer becomes NULL, even though
@@ -681,14 +667,6 @@
   // changed.
   bool suppress_next_char_events_;
 
-  // Keep track of if we have a loaded document so that we can request an
-  // accessibility tree on demand when renderer accessibility is enabled.
-  bool document_loaded_;
-
-  // Keep track of if we've already requested the accessibility tree so
-  // we don't do it more than once.
-  bool requested_accessibility_tree_;
-
   // Optional video YUV layer for used for out-of-process compositing.
   scoped_ptr<VideoLayer> video_layer_;