[Mac] Organize all import files into chrome/browser/ui/cocoa/importer/....

chrome/browser/ui/cocoa/importer/import_progress_dialog.h

Index: chrome/browser/ui/cocoa/importer/import_progress_dialog.h
===================================================================
--- chrome/browser/ui/cocoa/importer/import_progress_dialog.h	(revision 0)
+++ chrome/browser/ui/cocoa/importer/import_progress_dialog.h	(working copy)
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_IMPORT_PROGRESS_DIALOG_H_
-#define CHROME_BROWSER_IMPORT_PROGRESS_DIALOG_H_
+#ifndef CHROME_BROWSER_IMPORTER_IMPORT_PROGRESS_DIALOG_H_
+#define CHROME_BROWSER_IMPORTER_IMPORT_PROGRESS_DIALOG_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
@@ -99,4 +99,4 @@
   DISALLOW_COPY_AND_ASSIGN(ImporterObserverBridge);
 };
 
-#endif  // CHROME_BROWSER_IMPORT_PROGRESS_DIALOG_H_
+#endif  // CHROME_BROWSER_IMPORTER_IMPORT_PROGRESS_DIALOG_H_