Allow cross-origin XHR in unblessed extension context

chrome/renderer/extensions/dispatcher.cc

Index: chrome/renderer/extensions/dispatcher.cc
diff --git a/chrome/renderer/extensions/dispatcher.cc b/chrome/renderer/extensions/dispatcher.cc
index efec6f00ec2d69b78286151e5e256552e423d5b4..926636deec5f193216b893767fb47f32f55a37be 100644
--- a/chrome/renderer/extensions/dispatcher.cc
+++ b/chrome/renderer/extensions/dispatcher.cc
@@ -1133,6 +1133,13 @@ void Dispatcher::DidCreateScriptContext(
       new ChromeV8Context(v8_context, frame, extension, context_type);
   v8_context_set_.Add(context);
 
+  if (context_type == Feature::UNBLESSED_EXTENSION_CONTEXT) {
+    AddOrRemoveOriginPermissions(
+        UpdatedExtensionPermissionsInfo::ADDED,
+        extension,
+        PermissionsData::GetEffectiveHostPermissions(extension));
+  }

[not at google - send to devlin, 2014/02/19 17:10:51]

if you extend this to all extension contexts (i.e. make the condition "if
extension") then the other origin permission granting mechanisms should be
unnecessary, including the one in user script slave.

+
   {
     scoped_ptr<ModuleSystem> module_system(new ModuleSystem(context,
                                                             &source_map_));