Adding keyboard shortcut BROWSE+SHIFT+N to launch 'Connectivity diag.' extension.

ash/shell/shell_delegate_impl.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 "ash/shell/shell_delegate_impl.h"
 
 #include "ash/app_list/app_list_presenter_delegate_factory.h"
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/default_accessibility_delegate.h"
 #include "ash/common/gpu_support_stub.h"
@@ skipping 39 matching lines @@
     create_params.can_maximize = true;
     ash::shell::ToplevelWindow::CreateToplevelWindow(create_params);
   }
   void OpenFileManager() override {}
   void OpenCrosh() override {}
   void OpenGetHelp() override {}
   void RestoreTab() override {}
   void ShowKeyboardOverlay() override {}
   void ShowTaskManager() override {}
   void OpenFeedbackPage() override {}
+  void OpenNetworkDiag() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NewWindowDelegateImpl);
 };
 
 class MediaDelegateImpl : public MediaDelegate {
  public:
   MediaDelegateImpl() {}
   ~MediaDelegateImpl() override {}
 
@@ skipping 191 matching lines @@
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 gfx::Image ShellDelegateImpl::GetDeprecatedAcceleratorImage() const {
   return gfx::Image();
 }
 
 }  // namespace shell
 }  // namespace ash