Implement declarativeContent API.

chrome/renderer/extensions/module_system.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/extensions/module_system.h"
 
 #include "base/bind.h"
+#include "base/stl_util.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebScopedMicrotaskSuppression.h"
 
 namespace {
 
 const char* kModuleSystem = "module_system";
 const char* kModuleName = "module_name";
 const char* kModuleField = "module_field";
 const char* kModulesField = "modules";
 
 } // namespace
@@ skipping 134 matching lines @@
       HandleException(try_catch);
       return v8::Undefined();
     }
   }
   modules->Set(module_name, exports);
   return handle_scope.Close(exports);
 }
 
 void ModuleSystem::CallModuleMethod(const std::string& module_name,
                                     const std::string& method_name) {
+  std::vector<v8::Handle<v8::Value> > args;
+  CallModuleMethod(module_name, method_name, &args);
+}
+
+v8::Local<v8::Value> ModuleSystem::CallModuleMethod(
+    const std::string& module_name,
+    const std::string& method_name,
+    std::vector<v8::Handle<v8::Value> >* args) {
   v8::HandleScope handle_scope;
   v8::Local<v8::Value> module =
       v8::Local<v8::Value>::New(
           RequireForJsInner(v8::String::New(module_name.c_str())));
   if (module.IsEmpty() || !module->IsObject())
-    return;
+    return v8::Local<v8::Value>();
   v8::Local<v8::Value> value =
       v8::Handle<v8::Object>::Cast(module)->Get(
           v8::String::New(method_name.c_str()));
   if (value.IsEmpty() || !value->IsFunction())
-    return;
+    return v8::Local<v8::Value>();
   v8::Handle<v8::Function> func =
       v8::Handle<v8::Function>::Cast(value);
   // TODO(jeremya/koz): refer to context_ here, not the current context.
   v8::Handle<v8::Object> global(v8::Context::GetCurrent()->Global());
+  v8::Local<v8::Value> result;
   {
     WebKit::WebScopedMicrotaskSuppression suppression;
     v8::TryCatch try_catch;
     try_catch.SetCaptureMessage(true);
-    func->Call(global, 0, NULL);
+    result = func->Call(global, args->size(), vector_as_array(args));
     if (try_catch.HasCaught())
       HandleException(try_catch);
   }
+  return handle_scope.Close(result);
 }
 
 void ModuleSystem::RegisterNativeHandler(const std::string& name,
     scoped_ptr<NativeHandler> native_handler) {
   native_handler_map_[name] =
       linked_ptr<NativeHandler>(native_handler.release());
 }
 
 void ModuleSystem::OverrideNativeHandler(const std::string& name) {
   overridden_native_handlers_.insert(name);
@@ skipping 102 matching lines @@
   v8::Handle<v8::String> right = v8::String::New("\n})");
   return handle_scope.Close(
       v8::String::Concat(left, v8::String::Concat(source, right)));
 }
 
 v8::Handle<v8::Value> ModuleSystem::ThrowException(const std::string& message) {
   return v8::ThrowException(v8::String::New(message.c_str()));
 }
 
 }  // extensions