Support additional webkit accessibility notifications and states.

chrome/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2010 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 "chrome/browser/renderer_host/render_widget_host.h"
 
 #include "app/keyboard_codes.h"
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/histogram.h"
@@ skipping 1120 matching lines @@
 }
 
 void RenderWidgetHost::Replace(const string16& word) {
   Send(new ViewMsg_Replace(routing_id_, word));
 }
 
 void RenderWidgetHost::AdvanceToNextMisspelling() {
   Send(new ViewMsg_AdvanceToNextMisspelling(routing_id_));
 }
 
-void RenderWidgetHost::RequestAccessibilityTree() {
-  Send(new ViewMsg_GetAccessibilityTree(routing_id()));
-}
-
-void RenderWidgetHost::SetDocumentLoaded(bool document_loaded) {
-  document_loaded_ = document_loaded;
-
-  if (!document_loaded_)
-    requested_accessibility_tree_ = false;
-
-  if (renderer_accessible_ && document_loaded_) {
-    RequestAccessibilityTree();
-    requested_accessibility_tree_ = true;
-  }
-}
-
 void RenderWidgetHost::EnableRendererAccessibility() {
   if (renderer_accessible_)
     return;
 
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableRendererAccessibility)) {
     return;
   }
 
   renderer_accessible_ = true;
 
-  if (document_loaded_ && !requested_accessibility_tree_) {
-    RequestAccessibilityTree();
-    requested_accessibility_tree_ = true;
+  if (process_->HasConnection()) {
+    // Renderer accessibility wasn't enabled on process launch. Enable it now.
+    Send(new ViewMsg_EnableAccessibility(routing_id()));
   }
 }
 
 void RenderWidgetHost::SetAccessibilityFocus(int acc_obj_id) {
   Send(new ViewMsg_SetAccessibilityFocus(routing_id(), acc_obj_id));
 }
 
 void RenderWidgetHost::AccessibilityDoDefaultAction(int acc_obj_id) {
   Send(new ViewMsg_AccessibilityDoDefaultAction(routing_id(), acc_obj_id));
 }
@@ skipping 24 matching lines @@
     // of this key event.
     if (!processed && !is_hidden_ && !front_item.skip_in_browser) {
       UnhandledKeyboardEvent(front_item);
 
       // WARNING: This RenderWidgetHost can be deallocated at this point
       // (i.e.  in the case of Ctrl+W, where the call to
       // UnhandledKeyboardEvent destroys this RenderWidgetHost).
     }
   }
 }