Pass origin information for remote frame creation.

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 9dfdf6b0a1a9a383e1a3c5da5997b169842dba26..77a8c1b88c5a261c3508297f2604888a2439598f 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -34,6 +34,7 @@
 #include "content/child/weburlresponse_extradata_impl.h"
 #include "content/common/clipboard_messages.h"
 #include "content/common/frame_messages.h"
+#include "content/common/frame_replication_state.h"
 #include "content/common/input_messages.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/common/swapped_out_messages.h"
@@ -1106,7 +1107,9 @@ void RenderFrameImpl::OnBeforeUnload() {
                                          before_unload_end_time));
 }
 
-void RenderFrameImpl::OnSwapOut(int proxy_routing_id) {
+void RenderFrameImpl::OnSwapOut(
+    int proxy_routing_id,
+    const FrameReplicationState& remote_frame_state) {
   TRACE_EVENT1("navigation", "RenderFrameImpl::OnSwapOut", "id", routing_id_);
   RenderFrameProxy* proxy = NULL;
   bool is_site_per_process =
@@ -1192,6 +1195,20 @@ void RenderFrameImpl::OnSwapOut(int proxy_routing_id) {
     }
   }
 
+  // initialize remote frame with the security origin that was passed to us

[Charlie Reis, 2014/11/13 18:00:58]

nit: Initialize the RemoteFrame with the replication state

[alexmos, 2014/11/18 18:25:33]

Done.  Actually, rephrased a bit and used "WebRemoteFrame" given the new call.

+  // from the process that is now rendering the frame.
+  // TODO(alexmos): we cannot yet do this for swapped-out main frames,

[Charlie Reis, 2014/11/13 18:00:58]

nit: We

This TODO is what Nasko is currently working on, right?

[alexmos, 2014/11/18 18:25:33]

Done.
Yes, exactly.

+  // because in that case we leave the LocalFrame as the main frame visible to
+  // Blink and don't call swap() above.  Because swap() is what creates a
+  // RemoteFrame in proxy->web_frame(), the RemoteFrame will not exist for main
+  // frames.  When we do an unconditional swap for all frames, we can remove
+  // !is_main_frame below.
+  if (is_site_per_process && proxy && !is_main_frame) {
+    proxy->web_frame()->setReplicatedOrigin(
+        blink::WebURL(GURL(remote_frame_state.origin.string())),
+        remote_frame_state.is_unique_origin);
+  }
+
   // Safe to exit if no one else is using the process.
   if (is_main_frame)
     render_view_->WasSwappedOut();