Use the connectivity diagnostics launcher so that it can open as an App

chrome/browser/extensions/component_loader.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/extensions/component_loader.h"
 
 #include <map>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 438 matching lines @@
       echo_extension_path = command_line->GetSwitchValuePath(
           chromeos::switches::kEchoExtensionPath);
     }
     Add(IDR_ECHO_MANIFEST, echo_extension_path);
 
     Add(IDR_NETWORK_CONFIGURATION_MANIFEST,
         base::FilePath(FILE_PATH_LITERAL("chromeos/network_configuration")));
 
     Add(IDR_CONNECTIVITY_DIAGNOSTICS_MANIFEST,
         base::FilePath(extension_misc::kConnectivityDiagnosticsPath));
+    Add(IDR_CONNECTIVITY_DIAGNOSTICS_LAUNCHER_MANIFEST,
+        base::FilePath(extension_misc::kConnectivityDiagnosticsLauncherPath));
   }
 
   // Load ChromeVox extension now if spoken feedback is enabled.
   if (chromeos::AccessibilityManager::Get() &&
       chromeos::AccessibilityManager::Get()->IsSpokenFeedbackEnabled()) {
     base::FilePath path =
         base::FilePath(extension_misc::kChromeVoxExtensionPath);
     Add(IDR_CHROMEVOX_MANIFEST, path);
   }
 #endif  // defined(OS_CHROMEOS)
@@ skipping 11 matching lines @@
 void ComponentLoader::UnloadComponent(ComponentExtensionInfo* component) {
   delete component->manifest;
   if (extension_service_->is_ready()) {
     extension_service_->
         UnloadExtension(component->extension_id,
                         extension_misc::UNLOAD_REASON_DISABLE);
   }
 }
 
 }  // namespace extensions