Initial checkin of the HTML downloads UI. It's not yet complete (lacking...

chrome/browser/dom_ui/dom_ui.h

 // Copyright (c) 2006-2008 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_DOM_UI_H__
 #define CHROME_BROWSER_DOM_UI_H__
 
 #include "base/task.h"
 #include "chrome/browser/dom_ui/dom_ui_contents.h"
 
@@ skipping 17 matching lines @@
   // Used by DOMMessageHandlers.
   typedef Callback1<const Value*>::Type MessageCallback;
   void RegisterMessageCallback (const std::string& message,
                                 MessageCallback* callback);
 
   // Call a Javascript function by sending its name and arguments down to
   // the renderer.  This is asynchronous; there's no way to get the result
   // of the call, and should be thought of more like sending a message to
   // the page.
   // There are two function variants for one-arg and two-arg calls.
+  void CallJavascriptFunction(const std::wstring& function_name);
   void CallJavascriptFunction(const std::wstring& function_name,
                               const Value& arg);
   void CallJavascriptFunction(const std::wstring& function_name,
                               const Value& arg1,
                               const Value& arg2);
 
   Profile* get_profile() { return contents_->profile(); }
 
  protected:
   void AddMessageHandler(DOMMessageHandler* handler);
@@ skipping 22 matching lines @@
   explicit DOMMessageHandler(DOMUI* dom_ui);
   virtual ~DOMMessageHandler();
 
  protected:
   // Adds "url" and "title" keys on incoming dictionary, setting title
   // as the url as a fallback on empty title.
   static void SetURLAndTitle(DictionaryValue* dictionary, 
                              std::wstring title,
                              const GURL& gurl);
 
+  // Extract an integer value from a Value.
+  int ExtractIntegerValue(const Value* value);
+
+  // Extract a string value from a Value.
+  std::wstring ExtractStringValue(const Value* value);
+
   DOMUI* const dom_ui_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DOMMessageHandler);
 };
 
 
 #endif  // CHROME_BROWSER_DOM_UI_H__