Migrate accessibility from RenderView to RenderFrame.

content/browser/accessibility/accessibility_ui.cc

Index: content/browser/accessibility/accessibility_ui.cc
diff --git a/content/browser/accessibility/accessibility_ui.cc b/content/browser/accessibility/accessibility_ui.cc
index 1f4df798f46b6224b0e9327559e17c65a625657c..83e330445724eb46d39f33f5ede09e4a4acdf2bd 100644
--- a/content/browser/accessibility/accessibility_ui.cc
+++ b/content/browser/accessibility/accessibility_ui.cc
@@ -15,6 +15,7 @@
 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
+#include "content/browser/web_contents/web_contents_impl.h"
 #include "content/common/view_message_enums.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/navigation_entry.h"
@@ -63,11 +64,11 @@ base::DictionaryValue* BuildTargetDescriptor(
 }
 
 base::DictionaryValue* BuildTargetDescriptor(RenderViewHost* rvh) {
-  WebContents* web_contents = WebContents::FromRenderViewHost(rvh);
-  std::string title;
-  RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rvh);
-  AccessibilityMode accessibility_mode = rwhi->accessibility_mode();
+  WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
+      WebContents::FromRenderViewHost(rvh));
+  AccessibilityMode accessibility_mode = web_contents->accessibility_mode();
 
+  std::string title;
   GURL url;
   GURL favicon_url;
   if (web_contents) {
@@ -178,14 +179,15 @@ void AccessibilityUI::ToggleAccessibility(const base::ListValue* args) {
   RenderViewHost* rvh = RenderViewHost::FromID(process_id, route_id);
   if (!rvh)
     return;
-  RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rvh);
-  if (!rwhi)
-    return;
-  AccessibilityMode mode = rwhi->accessibility_mode();
-  if ((mode & AccessibilityModeComplete) != AccessibilityModeComplete)
-    rwhi->AddAccessibilityMode(AccessibilityModeComplete);
-  else
-    rwhi->ResetAccessibilityMode();
+  WebContentsImpl* web_contents = static_cast<WebContentsImpl*>(
+      WebContents::FromRenderViewHost(rvh));
+  AccessibilityMode mode = web_contents->accessibility_mode();
+  if ((mode & AccessibilityModeComplete) != AccessibilityModeComplete) {
+    web_contents->AddAccessibilityMode(AccessibilityModeComplete);
+  } else {
+    web_contents->SetAccessibilityMode(
+        BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode());
+  }
 }
 
 void AccessibilityUI::ToggleGlobalAccessibility(const base::ListValue* args) {