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..83bc870d9dbf23175fe74e4213f34925751515ec 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -2636,6 +2636,10 @@ void RenderFrameImpl::willSendRequest(
       InternalDocumentStateData::FromDocumentState(document_state);
   NavigationState* navigation_state = document_state->navigation_state();
   transition_type = navigation_state->transition_type();
+  if (data_source->isClientRedirect()) {

[mkosiba (inactive), 2014/10/07 11:38:49]

This pretty much matches stuff we do in didCommitProvisionalLoad so it should be
fine I think:

https://code.google.com/p/chromium/codesearch#chromium/src/content/renderer/r...

+    transition_type = static_cast<PageTransition>(
+        transition_type | PAGE_TRANSITION_CLIENT_REDIRECT);
+  }
 
   GURL request_url(request.url());
   GURL new_url;