Make Windows accessibility event firing aware of guest / child frames.

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 720235227365ec2a878d20f71b2ef2cba69e3af9..c7adefc78f35987d1b08edee159409c85f43d7ac 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -161,6 +161,8 @@ class CONTENT_EXPORT RenderFrameHostImpl
   gfx::NativeViewAccessible AccessibilityGetNativeViewAccessible() override;
   BrowserAccessibilityManager* AccessibilityGetChildFrame(
       int accessibility_node_id) override;
+  void AccessibilityGetAllChildFrames(
+      std::vector<BrowserAccessibilityManager*>* child_frames) override;
   BrowserAccessibility* AccessibilityGetParentFrame() override;
 
   // Creates a RenderFrame in the renderer process.  Only called for
@@ -493,6 +495,11 @@ class CONTENT_EXPORT RenderFrameHostImpl
   void UpdateGuestFrameAccessibility(
       const std::map<int32, int>& node_to_browser_plugin_instance_id_map);
 
+  // Check that the given child frame is from a different process but the
+  // same browser context.
+  bool IsOutOfProcessFrameInSameBrowserContext(
+      RenderFrameHostImpl* child_frame);
+
   // Informs the content client that geolocation permissions were used.
   void DidUseGeolocationPermission();