Linux: add splash screen

chrome/browser/browser_about_handler.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.
 
 // Contains code for handling "about:" URLs in the browser process.
 
 #ifndef CHROME_BROWSER_BROWSER_ABOUT_HANDLER_H_
 #define CHROME_BROWSER_BROWSER_ABOUT_HANDLER_H_
 
 #include <string>
@@ skipping 53 matching lines @@
   static std::string AboutCredits();
 
   // Renders a special page for "about:terms" which displays our
   // terms and conditions.
   static std::string AboutTerms();
 
   // Renders a special page for about:memory which displays
   // information about current state.
   static void AboutMemory(AboutSource*, int request_id);
 
+  // This displays the Linux splash screen for development releases.
+  static std::string AboutLinuxSplash();
+
  private:
   ChromeURLDataManager::DataSource* about_source_;
   DISALLOW_COPY_AND_ASSIGN(BrowserAboutHandler);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_ABOUT_HANDLER_H_