[Extensions] Use document url (not top url) for tab-specific permissions

extensions/renderer/extension_frame_helper.cc

Index: extensions/renderer/extension_frame_helper.cc
diff --git a/extensions/renderer/extension_frame_helper.cc b/extensions/renderer/extension_frame_helper.cc
index f10fa4961f79e2db7a01c96b76160de5d415a65b..c46ac3688b4a6774c470a1a313f2f48057c8a44d 100644
--- a/extensions/renderer/extension_frame_helper.cc
+++ b/extensions/renderer/extension_frame_helper.cc
@@ -49,6 +49,8 @@ bool ExtensionFrameHelper::OnMessageReceived(const IPC::Message& message) {
     IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnExtensionDeliverMessage)
     IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnDisconnect,
                         OnExtensionDispatchOnDisconnect)
+    IPC_MESSAGE_HANDLER(ExtensionMsg_SetTabExtensionOwner,
+                        OnSetTabExtensionOwner)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
@@ -91,4 +93,9 @@ void ExtensionFrameHelper::OnExtensionDispatchOnDisconnect(
       render_frame());
 }
 
+void ExtensionFrameHelper::OnSetTabExtensionOwner(
+    const std::string& extension_id) {
+  tab_extension_owner_id_ = extension_id;
+}
+
 }  // namespace extensions