Use RenderWidget(Host) for full screen

chrome/browser/renderer_host/render_widget_helper.h

Index: chrome/browser/renderer_host/render_widget_helper.h
diff --git a/chrome/browser/renderer_host/render_widget_helper.h b/chrome/browser/renderer_host/render_widget_helper.h
index a322349cdcc6ab14be804c878d8302a9f42381b7..6cad1dc853a5db63e55f8c2af4c97f30a55ea441 100644
--- a/chrome/browser/renderer_host/render_widget_helper.h
+++ b/chrome/browser/renderer_host/render_widget_helper.h
@@ -130,6 +130,9 @@ class RenderWidgetHelper
   void CreateNewWidget(int opener_id,
                        WebKit::WebPopupType popup_type,
                        int* route_id);
+  void CreateNewFullscreenWidget(int opener_id,
+                                 WebKit::WebPopupType popup_type,
+                                 int* route_id);
 
 #if defined(OS_MACOSX)
   // Called on the IO thread to handle the allocation of a TransportDIB.  If
@@ -177,6 +180,11 @@ class RenderWidgetHelper
                           int route_id,
                           WebKit::WebPopupType popup_type);
 
+  // Called on the UI thread to create a full screen widget.
+  void OnCreateFullscreenWidgetOnUI(int opener_id,
+                                    int route_id,
+                                    WebKit::WebPopupType popup_type);
+
   // Called on the IO thread to cancel resource requests for the render widget.
   void OnCancelResourceRequests(int render_widget_id);