Move nsalert_synchronous_sheet_mac to browser/ui/cocoa.

atom.gyp

@@ -110,14 +110,14 @@
       'browser/ui/atom_event_processing_window.mm',
       'browser/ui/atom_menu_controller_mac.h',
       'browser/ui/atom_menu_controller_mac.mm',
+      'browser/ui/cocoa/nsalert_synchronous_sheet.h',
+      'browser/ui/cocoa/nsalert_synchronous_sheet.mm',
       'browser/ui/file_dialog.h',
       'browser/ui/file_dialog_mac.mm',
       'browser/ui/file_dialog_win.cc',
       'browser/ui/message_box.h',
       'browser/ui/message_box_mac.mm',
       'browser/ui/message_box_win.cc',
-      'browser/ui/nsalert_synchronous_sheet_mac.h',
-      'browser/ui/nsalert_synchronous_sheet_mac.mm',
       'browser/ui/win/menu_2.cc',
       'browser/ui/win/menu_2.h',
       'browser/ui/win/native_menu_win.cc',

browser/ui/cocoa/nsalert_synchronous_sheet.mm

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#import "browser/ui/nsalert_synchronous_sheet_mac.h"
+#import "browser/ui/cocoa/nsalert_synchronous_sheet.h"
 
 // Private methods -- use prefixes to avoid collisions with Apple's methods
 @interface NSAlert (SynchronousSheetPrivate)

browser/ui/message_box_mac.mm

@@ -9,7 +9,7 @@
 #include "base/callback.h"
 #include "base/strings/sys_string_conversions.h"
 #include "browser/native_window.h"
-#include "browser/ui/nsalert_synchronous_sheet_mac.h"
+#include "browser/ui/cocoa/nsalert_synchronous_sheet.h"
 
 @interface ModalDelegate : NSObject {
  @private