[uber page] Improve URL mapping for extension URLS.

chrome/browser/ui/browser.cc

 // Copyright (c) 2012 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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // OS_WIN
@@ skipping 2232 matching lines @@
   ShowSingletonTab(GURL(report_page_url));
 }
 
 void Browser::ShowOptionsTab(const std::string& sub_page) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableUberPage)) {
     browser::NavigateParams params(GetSingletonTabNavigateParams(
         GURL(chrome::kChromeUISettingsURL + sub_page)));
     params.path_behavior = browser::NavigateParams::IGNORE_AND_NAVIGATE;
     ShowSingletonTabOverwritingNTP(params);
   } else {
-    browser::NavigateParams params(GetSingletonTabNavigateParams(
-        GURL(std::string(chrome::kChromeUIUberURL) +
-             chrome::kChromeUISettingsHost + '/' + sub_page)));
+    std::string url;
+    if (sub_page == chrome::kExtensionsSubPage) {
+      url = std::string(chrome::kChromeUIUberURL) +
+          chrome::kChromeUIExtensionsHost;
+    } else {
+      url = std::string(chrome::kChromeUIUberURL) +
+          chrome::kChromeUISettingsHost + '/' + sub_page;
+    }
+    browser::NavigateParams params(GetSingletonTabNavigateParams(GURL(url)));
     params.path_behavior = browser::NavigateParams::IGNORE_AND_NAVIGATE;
     ShowSingletonTabOverwritingNTP(params);
   }
 }
 
 void Browser::OpenClearBrowsingDataDialog() {
   content::RecordAction(UserMetricsAction("ClearBrowsingData_ShowDlg"));
   ShowOptionsTab(chrome::kClearBrowserDataSubPage);
 }
 
@@ skipping 3221 matching lines @@
     local_state->SetBoolean(prefs::kShouldShowFirstRunBubble, false);
     window_->GetLocationBar()->ShowFirstRunBubble();
   } else {
     GlobalErrorService* service =
         GlobalErrorServiceFactory::GetForProfile(profile());
     GlobalError* error = service->GetFirstGlobalErrorWithBubbleView();
     if (error)
       error->ShowBubbleView(this);
   }
 }