Move WebUIFactory to chrome/browser.

content/browser/webui/web_ui.h

 // Copyright (c) 2011 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 CONTENT_BROWSER_WEBUI_WEB_UI_H_
 #define CONTENT_BROWSER_WEBUI_WEB_UI_H_
 #pragma once
 
 #include <map>
 #include <string>
@@ skipping 126 matching lines @@
                               const std::vector<const Value*>& args);
 
   // May be overridden by WebUI's which do not have a tab contents.
   virtual Profile* GetProfile() const;
 
   // May be overridden by WebUI's which do not have a tab contents.
   virtual RenderViewHost* GetRenderViewHost() const;
 
   TabContents* tab_contents() const { return tab_contents_; }
 
+  // An opaque identifier used to identify a WebUI. This can only be compared to
+  // kNoWebUI or other WebUI types. See GetWebUIType.
+  typedef void* TypeID;
+
+  // A special WebUI type that signifies that a given page would not use the
+  // Web UI system.
+  static const TypeID kNoWebUI;
+
  protected:
   void AddMessageHandler(WebUIMessageHandler* handler);
 
   // Execute a string of raw Javascript on the page.  Overridable for
   // testing purposes.
   virtual void ExecuteJavascript(const string16& javascript);
 
   // Options that may be overridden by individual Web UI implementations. The
   // bool options default to false. See the public getters for more information.
   bool hide_favicon_;
@@ skipping 51 matching lines @@
   // Extract a string value from a list Value.
   string16 ExtractStringValue(const ListValue* value);
 
   WebUI* web_ui_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebUIMessageHandler);
 };
 
 #endif  // CONTENT_BROWSER_WEBUI_WEB_UI_H_