Navigation transitions: Pass is_transition_navigation flag up to the embedder

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 9ffcbefc924cc08ab0dd7b2bf85c8c55cf0d0f16..13be10d06f06bc5cdce012771b3ff39d98b9ddcd 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -393,7 +393,8 @@ void RenderFrameHostImpl::OnOpenURL(
 
   frame_tree_node_->navigator()->RequestOpenURL(
       this, validated_url, params.referrer, params.disposition,
-      params.should_replace_current_entry, params.user_gesture);
+      params.should_replace_current_entry, params.user_gesture,
+      params.is_transition_navigation);
 }
 
 void RenderFrameHostImpl::OnDocumentOnLoadCompleted() {
@@ -404,9 +405,10 @@ void RenderFrameHostImpl::OnDocumentOnLoadCompleted() {
 
 void RenderFrameHostImpl::OnDidStartProvisionalLoadForFrame(
     int parent_routing_id,
-    const GURL& url) {
+    const GURL& url,
+    bool is_transition_navigation) {
   frame_tree_node_->navigator()->DidStartProvisionalLoad(
-      this, parent_routing_id, url);
+      this, parent_routing_id, url, is_transition_navigation);
 }
 
 void RenderFrameHostImpl::OnDidFailProvisionalLoadWithError(