Call InitOriginPermissions when extension is added to the renderer process.

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index dde54db68bfb703019b8a96f0c91fe817429d0ff..6f790f2767faa621bca112336a82cbea4aed96dc 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -552,6 +552,9 @@ void Dispatcher::OnActivateExtension(const std::string& extension_id) {
   if (is_webkit_initialized_) {
     extensions::DOMActivityLogger::AttachToWorld(
         extensions::DOMActivityLogger::kMainWorldId, extension_id);
+
+    if (extension)
+      InitOriginPermissions(extension, Feature::UNSPECIFIED_CONTEXT);

[not at google - send to devlin, 2014/06/05 16:48:23]

this is an odd change to make without
- taking out the origin permission initialization from context creation
- adding it to OnWebkitInitialized
- not passing through the context type and using a different check where it's
used

   }
 
   UpdateActiveExtensions();