Implemented argument wrapping for CallJS.

chrome/browser/ui/webui/chromeos/login/base_screen_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_BASE_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_BASE_SCREEN_HANDLER_H_
 
 #include <string>
 
 #include "base/bind.h"
@@ skipping 74 matching lines @@
   // All subclasses should implement this method to provide localized values.
   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) = 0;
 
   // Subclasses can override these methods to pass additional parameters
   // to loadTimeData. Generally, it is a bad approach, and it should be replaced
   // with Context at some point.
   virtual void GetAdditionalParameters(base::DictionaryValue* parameters);
 
   // Shortcut for calling JS methods on WebUI side.
   void CallJS(const std::string& method);
+
+  template<typename A1>
+  void CallJS(const std::string& method, const A1& arg1) {
+    web_ui()->CallJavascriptFunction(method, MakeValue(arg1));
+  }
+
+  template<typename A1, typename A2>
+  void CallJS(const std::string& method, const A1& arg1, const A2& arg2) {
+    web_ui()->CallJavascriptFunction(method, MakeValue(arg1), MakeValue(arg2));
+  }
+
+  template<typename A1, typename A2, typename A3>
   void CallJS(const std::string& method,
-              const base::Value& arg1);
+              const A1& arg1,
+              const A2& arg2,
+              const A3& arg3) {
+    web_ui()->CallJavascriptFunction(method,
+                                     MakeValue(arg1),
+                                     MakeValue(arg2),
+                                     MakeValue(arg3));
+  }
+
+  template<typename A1, typename A2, typename A3, typename A4>
   void CallJS(const std::string& method,
-              const base::Value& arg1,
-              const base::Value& arg2);
-  void CallJS(const std::string& method,
-              const base::Value& arg1,
-              const base::Value& arg2,
-              const base::Value& arg3);
-  void CallJS(const std::string& method,
-              const base::Value& arg1,
-              const base::Value& arg2,
-              const base::Value& arg3,
-              const base::Value& arg4);
+              const A1& arg1,
+              const A2& arg2,
+              const A3& arg3,
+              const A4& arg4) {
+    web_ui()->CallJavascriptFunction(method,
+                                     MakeValue(arg1),
+                                     MakeValue(arg2),
+                                     MakeValue(arg3),
+                                     MakeValue(arg4));
+  }
 
   // Shortcut methods for adding WebUI callbacks.
   template<typename T>
   void AddRawCallback(const std::string& name,
                       void (T::*method)(const base::ListValue* args)) {
     web_ui()->RegisterMessageCallback(
         name,
         base::Bind(method, base::Unretained(static_cast<T*>(this))));
   }
 
@@ skipping 58 matching lines @@
   bool page_is_ready_;
 
   base::DictionaryValue* localized_values_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_BASE_SCREEN_HANDLER_H_