Migrate accessibility from RenderView to RenderFrame.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 93563b0eceeafc12fbfde0135219b52487282a4d..651cc02e6bdeadb26e49fca7d0e00cd5cb416be8 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -23,6 +23,7 @@
 #include "content/browser/frame_host/render_frame_host_manager.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
+#include "content/common/accessibility_mode_enums.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/ax_event_notification_details.h"
 #include "content/public/browser/color_chooser.h"
@@ -94,6 +95,9 @@ class CONTENT_EXPORT WebContentsImpl
       const WebContents::CreateParams& params,
       WebContentsImpl* opener);
 
+  static void GetAllWebContents(
+      std::vector<WebContentsImpl*>* web_contents_vector);
+
   // Returns the opener WebContentsImpl, if any. This can be set to null if the
   // opener is closed or the page clears its window.opener.
   WebContentsImpl* opener() const { return opener_; }
@@ -167,6 +171,21 @@ class CONTENT_EXPORT WebContentsImpl
 
   WebContentsView* GetView() const;
 
+  // Broadcasts the mode change to all frames.
+  void SetAccessibilityMode(AccessibilityMode mode);
+
+  // Adds the given accessibility mode to the current accessibility mode
+  // bitmap.
+  void AddAccessibilityMode(AccessibilityMode mode);
+
+  // Removes the given accessibility mode from the current accessibility
+  // mode bitmap, managing the bits that are shared with other modes such
+  // that a bit will only be turned off when all modes that depend on it
+  // have been removed.
+  void RemoveAccessibilityMode(AccessibilityMode mode);
+
+  AccessibilityMode accessibility_mode() const { return accessibility_mode_; }
+
   // WebContents ------------------------------------------------------
   virtual WebContentsDelegate* GetDelegate() OVERRIDE;
   virtual void SetDelegate(WebContentsDelegate* delegate) OVERRIDE;
@@ -194,6 +213,9 @@ class CONTENT_EXPORT WebContentsImpl
   virtual WebUI* GetCommittedWebUI() const OVERRIDE;
   virtual void SetUserAgentOverride(const std::string& override) OVERRIDE;
   virtual const std::string& GetUserAgentOverride() const OVERRIDE;
+  virtual void EnableTreeOnlyAccessibilityMode() OVERRIDE;
+  virtual bool IsTreeOnlyAccessibilityModeForTesting() const OVERRIDE;
+  virtual bool IsFullAccessibilityModeForTesting() const OVERRIDE;
 #if defined(OS_WIN)
   virtual void SetParentNativeViewAccessible(
       gfx::NativeViewAccessible accessible_parent) OVERRIDE;
@@ -352,6 +374,12 @@ class CONTENT_EXPORT WebContentsImpl
       RenderFrameHost* render_frame_host) OVERRIDE;
   virtual WebContents* GetAsWebContents() OVERRIDE;
   virtual bool IsNeverVisible() OVERRIDE;
+  virtual AccessibilityMode GetAccessibilityMode() const OVERRIDE;
+  virtual void AccessibilityEventReceived(
+      const std::vector<AXEventNotificationDetails>& details) OVERRIDE;
+#if defined(OS_WIN)
+  virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE;
+#endif
 
   // RenderViewHostDelegate ----------------------------------------------------
   virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE;
@@ -446,8 +474,6 @@ class CONTENT_EXPORT WebContentsImpl
   virtual SessionStorageNamespace* GetSessionStorageNamespace(
       SiteInstance* instance) OVERRIDE;
   virtual FrameTree* GetFrameTree() OVERRIDE;
-  virtual void AccessibilityEventReceived(
-      const std::vector<AXEventNotificationDetails>& details) OVERRIDE;
 
   // NavigatorDelegate ---------------------------------------------------------
 
@@ -514,9 +540,6 @@ class CONTENT_EXPORT WebContentsImpl
   virtual bool HandleGestureEvent(
       const blink::WebGestureEvent& event) OVERRIDE;
   virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) OVERRIDE;
-#if defined(OS_WIN)
-  virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE;
-#endif
 
   // RenderFrameHostManager::Delegate ------------------------------------------
 
@@ -1096,6 +1119,10 @@ class CONTENT_EXPORT WebContentsImpl
   // Whether the last JavaScript dialog shown was suppressed. Used for testing.
   bool last_dialog_suppressed_;
 
+  // The accssibility mode for all frames. This is queried when each frame
+  // is created, and broadcast to all frames when it changes.
+  AccessibilityMode accessibility_mode_;
+
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };