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..d1a8dfaa83974207441b11384a75eee849855b6c 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 +1195,18 @@ void RenderFrameImpl::OnSwapOut(int proxy_routing_id) {
     }
   }
 
+  // In --site-per-process, initialize the WebRemoteFrame with the replication
+  // state passed by the process that is now rendering the frame.
+  // TODO(alexmos): We cannot yet do this for swapped-out main frames, 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) {

[Charlie Reis, 2014/11/19 19:31:46]

nit: No braces needed anymore.

[alexmos, 2014/11/20 00:29:28]

Done.

+    proxy->SetReplicatedState(remote_frame_state);
+  }
+
   // Safe to exit if no one else is using the process.
   if (is_main_frame)
     render_view_->WasSwappedOut();
@@ -3458,6 +3473,13 @@ void RenderFrameImpl::SendDidCommitProvisionalLoad(blink::WebFrame* frame) {
   params.url = GetLoadingUrl();
   DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL));
 
+  // Set the origin of the frame.  This will be replicated to the corresponding
+  // RenderFrameProxies in other processes.
+  if (!is_swapped_out_) {
+    params.origin =
+        url::Origin(frame->document().securityOrigin().toString().utf8());
+  }
+
   if (frame->document().baseURL() != params.url)
     params.base_url = frame->document().baseURL();