Navigation transitions: Parse out transition-entering-stylesheet link headers.

content/browser/loader/cross_site_resource_handler.cc

Index: content/browser/loader/cross_site_resource_handler.cc
diff --git a/content/browser/loader/cross_site_resource_handler.cc b/content/browser/loader/cross_site_resource_handler.cc
index 29dc77ea6b08b14babbce8b77910e99e17e32ab8..d778f139d69a80dadb89b4336f5c8e7cc2dd0843 100644
--- a/content/browser/loader/cross_site_resource_handler.cc
+++ b/content/browser/loader/cross_site_resource_handler.cc
@@ -87,11 +87,13 @@ void OnCrossSiteResponseHelper(const CrossSiteResponseParams& params) {
 
 void OnDeferredAfterResponseStartedHelper(
     const GlobalRequestID& global_request_id,
-    int render_frame_id) {
+    int render_frame_id,
+    const TransitionLayerData& transition_layer_data) {
   RenderFrameHostImpl* rfh =
       RenderFrameHostImpl::FromID(global_request_id.child_id, render_frame_id);
   if (rfh)
-    rfh->OnDeferredAfterResponseStarted(global_request_id);
+    rfh->OnDeferredAfterResponseStarted(global_request_id,
+                                        transition_layer_data);
 }
 
 bool CheckNavigationPolicyOnUI(GURL url, int process_id, int render_frame_id) {
@@ -232,13 +234,21 @@ bool CrossSiteResourceHandler::OnNavigationTransitionResponseStarted(
     bool* defer) {
   ResourceRequestInfoImpl* info = GetRequestInfo();
 
+  TransitionLayerData transition_layer_data;
+  if (response_ && response_->head.headers)
+    TransitionRequestManager::ParseTransitionStylesheetsFromHeaders(
+        response_->head.headers, transition_layer_data, request()->url());
+
   GlobalRequestID global_id(info->GetChildID(), info->GetRequestID());
   int render_frame_id = info->GetRenderFrameID();
   BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(
-          &OnDeferredAfterResponseStartedHelper, global_id, render_frame_id));
+          &OnDeferredAfterResponseStartedHelper,
+          global_id,
+          render_frame_id,
+          transition_layer_data));
 
   *defer = true;
   OnDidDefer();