chromeos: Fix DOMUI about:credits link.

chrome/browser/browser_about_handler.cc

 // 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.
 
 #include "chrome/browser/browser_about_handler.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 1060 matching lines @@
   if (LowerCaseEqualsASCII(url->spec(), chrome::kAboutGpuHangURL)) {
     GpuProcessHostUIShim::GetInstance()->SendAboutGpuHang();
     return true;
   }
 
   // There are a few about: URLs that we hand over to the renderer. If the
   // renderer wants them, don't do any rewriting.
   if (chrome_about_handler::WillHandle(*url))
     return false;
 
-  // Anything else requires our special handler, make sure its initialized.
-  // We only need to register the AboutSource once and it is kept globally.
-  // There is currently no way to remove a data source.
-  static bool initialized = false;
-  if (!initialized) {
-    about_source = new AboutSource();
-    initialized = true;
-  }
+  // Anything else requires our special handler; make sure it's initialized.
+  InitializeAboutDataSource();
 
   // Special case about:memory to go through a redirect before ending up on
   // the final page. See GetAboutMemoryRedirectResponse above for why.
   if (LowerCaseEqualsASCII(url->path(), kMemoryPath)) {
     *url = GURL("chrome://about/memory-redirect");
     return true;
   }
 
   // Rewrite the about URL to use chrome:. WebKit treats all about URLS the
   // same (blank page), so if we want to display content, we need another
   // scheme.
   std::string about_url = "chrome://about/";
   about_url.append(url->path());
   *url = GURL(about_url);
   return true;
 }
 
+void InitializeAboutDataSource() {
+  // We only need to register the AboutSource once and it is kept globally.
+  // There is currently no way to remove a data source.
+  static bool initialized = false;
+  if (!initialized) {
+    about_source = new AboutSource();
+    initialized = true;
+  }
+}
+
 // This function gets called with the fixed-up chrome: URLs, so we have to
 // compare against those instead of "about:blah".
 bool HandleNonNavigationAboutURL(const GURL& url) {
   // about:ipc is currently buggy, so we disable it for official builds.
 #if !defined(OFFICIAL_BUILD)
 
 #if (defined(OS_MACOSX) || defined(OS_WIN)) && defined(IPC_MESSAGE_LOG_ENABLED)
   if (LowerCaseEqualsASCII(url.spec(), chrome::kChromeUIIPCURL)) {
     // Run the dialog. This will re-use the existing one if it's already up.
     AboutIPCDialog::RunDialog();
     return true;
   }
 #endif
 
 #endif  // OFFICIAL_BUILD
 
   return false;
 }