Navigation transitions: Pass is_transition_navigation flag up to the embedder

content/browser/frame_host/navigator.h

Index: content/browser/frame_host/navigator.h
diff --git a/content/browser/frame_host/navigator.h b/content/browser/frame_host/navigator.h
index a64edeb717b830fc5ec4c5ffbe7134e4a89cc41e..0d98c496ecb27e8bcc138a5c9e3ed4f5b63aea95 100644
--- a/content/browser/frame_host/navigator.h
+++ b/content/browser/frame_host/navigator.h
@@ -43,7 +43,8 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
   // The RenderFrameHostImpl started a provisional load.
   virtual void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host,
                                        int parent_routing_id,
-                                       const GURL& url) {};
+                                       const GURL& url,
+                                       bool is_transition_navigation) {};
 
   // The RenderFrameHostImpl has failed a provisional load.
   virtual void DidFailProvisionalLoadWithError(
@@ -103,7 +104,8 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
                               const Referrer& referrer,
                               WindowOpenDisposition disposition,
                               bool should_replace_current_entry,
-                              bool user_gesture) {}
+                              bool user_gesture,
+                              bool is_transition_navigation) {}
 
   // The RenderFrameHostImpl wants to transfer the request to a new renderer.
   // |redirect_chain| contains any redirect URLs (excluding |url|) that happened
@@ -117,7 +119,8 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
       WindowOpenDisposition disposition,
       const GlobalRequestID& transferred_global_request_id,
       bool should_replace_current_entry,
-      bool user_gesture) {}
+      bool user_gesture,
+      bool is_transition_navigation) {}
 
  protected:
   friend class base::RefCounted<Navigator>;