Make miscellaneous_bindings and event_bindings Required as needed. Previously

chrome/renderer/extensions/webstore_bindings.cc

Index: chrome/renderer/extensions/webstore_bindings.cc
diff --git a/chrome/renderer/extensions/webstore_bindings.cc b/chrome/renderer/extensions/webstore_bindings.cc
index 275c04e9bbf42669d02472fc1045b32ee1becf44..19159dae17e309ddf2f00793b37aa7ce164189e5 100644
--- a/chrome/renderer/extensions/webstore_bindings.cc
+++ b/chrome/renderer/extensions/webstore_bindings.cc
@@ -213,12 +213,13 @@ void WebstoreBindings::OnInlineWebstoreInstallResponse(
     const std::string& error) {
   v8::HandleScope handle_scope;
   v8::Context::Scope context_scope(context_->v8_context());
-  v8::Handle<v8::Value> argv[3];
-  argv[0] = v8::Integer::New(install_id);
-  argv[1] = v8::Boolean::New(success);
-  argv[2] = v8::String::New(error.c_str());
-  context_->CallChromeHiddenMethod("webstore.onInstallResponse",
-                                   arraysize(argv), argv, NULL);
+  v8::Handle<v8::Value> argv[] = {
+    v8::Integer::New(install_id),
+    v8::Boolean::New(success),
+    v8::String::New(error.c_str())
+  };
+  context_->module_system()->CallModuleMethod(
+      "webstore", "onInstallResponse", arraysize(argv), argv);
 }
 
 }  // namespace extensions