Migrate accessibility from RenderView to RenderFrame.

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index fbc4613b2baa5a90db5cc68c22f9ad1984bc8149..f1908d1112fc73414d58bd63c136b58154406c8f 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -5,10 +5,17 @@
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_DELEGATE_H_
 
+#include <vector>
+
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
+#include "content/common/frame_message_enums.h"
 #include "content/public/common/javascript_message_type.h"
 
+#if defined(OS_WIN)
+#include "ui/gfx/native_widget_types.h"
+#endif
+
 class GURL;
 
 namespace IPC {
@@ -18,6 +25,7 @@ class Message;
 namespace content {
 class RenderFrameHost;
 class WebContents;
+struct AXEventNotificationDetails;
 struct ContextMenuParams;
 
 // An interface implemented by an object interested in knowing about the state
@@ -95,6 +103,18 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   // not a WebContents, returns NULL.
   virtual WebContents* GetAsWebContents();
 
+  // Get the accessibility mode for all frames in this WebContents.

[nasko, 2014/05/12 17:28:01]

nit: This wording reads as though it will return the setting for each frame. The
accessibility setting is for the WebContents or more generally the Delegate and
as an implementation detail it happens to apply to all frames.

[dmazzoni, 2014/05/13 06:36:52]

Good point. I clarified the wording.

+  virtual AccessibilityMode GetAccessibilityMode() const;
+
+  // Invoked when an accessibility event is received from the renderer.
+  virtual void AccessibilityEventReceived(
+      const std::vector<AXEventNotificationDetails>& details) {}
+
+#if defined(OS_WIN)
+  // Returns the frame's parent's NativeViewAccessible.
+  virtual gfx::NativeViewAccessible GetParentNativeViewAccessible();
+#endif
+
  protected:
   virtual ~RenderFrameHostDelegate() {}
 };