chromeos: Make network enrollment and SIM unlock dialogs work with mash

chrome/browser/chromeos/sim_dialog_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_SIM_DIALOG_DELEGATE_H_
 #define CHROME_BROWSER_CHROMEOS_SIM_DIALOG_DELEGATE_H_
 
-#include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 
 namespace chromeos {
 
 // SIM unlock dialog displayed in cases when SIM card has to be unlocked.
 class SimDialogDelegate : public ui::WebDialogDelegate {
  public:
   // Type of the SIM dialog that is launched.
   typedef enum SimDialogMode {
     SIM_DIALOG_UNLOCK       = 0,  // General unlock flow dialog (PIN/PUK).
     SIM_DIALOG_CHANGE_PIN   = 1,  // Change PIN dialog.
     SIM_DIALOG_SET_LOCK_ON  = 2,  // Enable RequirePin restriction.
     SIM_DIALOG_SET_LOCK_OFF = 3,  // Disable RequirePin restriction.
   } SimDialogMode;
 
   explicit SimDialogDelegate(SimDialogMode dialog_mode);
 
-  // Shows the SIM unlock dialog box with one of the specified modes.
+  // Shows the SIM unlock dialog box with one of the specified modes. If the
+  // |owning_window| is null the dialog is placed in the appropriate modal
+  // dialog container on the primary display.
   static void ShowDialog(gfx::NativeWindow owning_window, SimDialogMode mode);
 
  private:
   ~SimDialogDelegate() override;
 
   // Overridden from ui::WebDialogDelegate:
   ui::ModalType GetDialogModalType() const override;
   base::string16 GetDialogTitle() const override;
   GURL GetDialogContentURL() const override;
   void GetWebUIMessageHandlers(
       std::vector<content::WebUIMessageHandler*>* handlers) const override;
   void GetDialogSize(gfx::Size* size) const override;
   std::string GetDialogArgs() const override;
   void OnDialogClosed(const std::string& json_retval) override;
   void OnCloseContents(content::WebContents* source,
                        bool* out_close_dialog) override;
   bool ShouldShowDialogTitle() const override;
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
 
   SimDialogMode dialog_mode_;
 
   DISALLOW_COPY_AND_ASSIGN(SimDialogDelegate);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_SIM_DIALOG_DELEGATE_H_