Set the ui::PAGE_TRANSITION_CLIENT_REDIRECT flag.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index ffb0cfe11b9ad53199e9b7b2df660f50df16e9b4..f473a93201e317c57317a83b74a0539b165fa5f1 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -2629,13 +2629,18 @@ void RenderFrameImpl::willSendRequest(
   WebDataSource* data_source =
       provisional_data_source ? provisional_data_source : top_data_source;
 
-  ui::PageTransition transition_type = ui::PAGE_TRANSITION_LINK;
   DocumentState* document_state = DocumentState::FromDataSource(data_source);
   DCHECK(document_state);
   InternalDocumentStateData* internal_data =
       InternalDocumentStateData::FromDocumentState(document_state);
   NavigationState* navigation_state = document_state->navigation_state();
-  transition_type = navigation_state->transition_type();
+  ui::PageTransition transition_type = navigation_state->transition_type();
+  WebDataSource* frame_ds = frame->provisionalDataSource();
+  if (frame_ds && frame_ds->isClientRedirect()) {
+    transition_type = static_cast<ui::PageTransition>(
+        transition_type | ui::PAGE_TRANSITION_CLIENT_REDIRECT);
+    CHECK(ui::PageTransitionIsValidType(transition_type));

[nasko, 2014/11/10 17:05:57]

My point was that if you believe that PageTransitionFromInt could be better, you
should improve it. 

+  }
 
   GURL request_url(request.url());
   GURL new_url;