Convert tabs, windows, and extension APIs to feature system.

chrome/renderer/extensions/event_bindings.cc

Index: chrome/renderer/extensions/event_bindings.cc
diff --git a/chrome/renderer/extensions/event_bindings.cc b/chrome/renderer/extensions/event_bindings.cc
index 6aec2c4986e93f275050c9d204ed762f21f535c8..b26e2fa07d14bedcaebf006492e80fa8ddffc90a 100644
--- a/chrome/renderer/extensions/event_bindings.cc
+++ b/chrome/renderer/extensions/event_bindings.cc
@@ -72,17 +72,13 @@ class ExtensionImpl : public ChromeV8Extension {
       CHECK(context);
       std::string event_name(*v8::String::AsciiValue(args[0]));
 
-      ExtensionDispatcher* extension_dispatcher = self->extension_dispatcher();
-      if (!extension_dispatcher->CheckCurrentContextAccessToExtensionAPI(
-              event_name))
-        return v8::Undefined();
-
       EventListenerCounts& listener_counts =
           g_listener_counts.Get()[context->extension_id()];
       if (++listener_counts[event_name] == 1) {
         content::RenderThread::Get()->Send(
             new ExtensionHostMsg_AddListener(context->extension_id(),
-                                             event_name));
+                                             event_name,
+                                             context->context_type()));
       }
 
       // This is called the first time the page has added a listener. Since
@@ -91,7 +87,8 @@ class ExtensionImpl : public ChromeV8Extension {
       if (self->IsLazyBackgroundPage(context->extension_id())) {
         content::RenderThread::Get()->Send(
             new ExtensionHostMsg_AddLazyListener(context->extension_id(),
-                                                 event_name));
+                                                 event_name,
+                                                 context->context_type()));
       }
     }