Split part of about_handler into chrome/common to break the browser-renderer ...

chrome/renderer/about_handler.h

 // Copyright (c) 2010 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.
 
 // Contains code for handling "about:" URLs in the renderer process.  We handle
 // most about: URLs in the browser process (see
 // browser/browser_about_handler.*), but test URLs like about:crash need to
 // happen in the renderer.
 
 #ifndef CHROME_RENDERER_ABOUT_HANDLER_H__
 #define CHROME_RENDERER_ABOUT_HANDLER_H__
 
 #include "base/basictypes.h"
 
 class GURL;
 
 class AboutHandler {
  public:
   // Given a URL, determine whether or not to handle it specially.  Returns
   // true if the URL was handled.
   static bool MaybeHandle(const GURL& url);
 
-  // Returns true if the URL is one that this AboutHandler will handle when
-  // MaybeHandle is called.
-  static bool WillHandle(const GURL& url);
-
   // Induces a renderer crash.
   static void AboutCrash();
 
   // Induces a renderer hang.
   static void AboutHang();
 
   // Induces a brief (20 second) hang to make sure hang monitors go away.
   static void AboutShortHang();
 
+  // Returns the size of |about_urls_handlers|. Used for testing only.
+  static size_t AboutURLHandlerSize();
+
  private:
   AboutHandler();
   ~AboutHandler();
 
   DISALLOW_COPY_AND_ASSIGN(AboutHandler);
 };
 
 #endif  // CHROME_RENDERER_ABOUT_HANDLER_H__