Remove fileapi::FileSystemFileUtil dependency in media gallery code

chrome/browser/media_galleries/win/mtp_device_object_enumerator.h

Index: chrome/browser/media_galleries/win/mtp_device_object_enumerator.h
diff --git a/chrome/browser/media_galleries/win/mtp_device_object_enumerator.h b/chrome/browser/media_galleries/win/mtp_device_object_enumerator.h
index 32a50b52ebaf6487279f2049f2c75bfc926cda82..ce2c3e9bbe302debe5c52f810812f66d18ff8b64 100644
--- a/chrome/browser/media_galleries/win/mtp_device_object_enumerator.h
+++ b/chrome/browser/media_galleries/win/mtp_device_object_enumerator.h
@@ -12,23 +12,20 @@
 #include "base/threading/thread_checker.h"
 #include "base/time/time.h"
 #include "chrome/browser/media_galleries/win/mtp_device_object_entry.h"
-#include "webkit/browser/fileapi/file_system_file_util.h"
 
 // MTPDeviceObjectEnumerator is used to enumerate the media transfer protocol
 // (MTP) device objects from a given object entry list.
 // MTPDeviceObjectEnumerator supports MTP device file operations.
 // MTPDeviceObjectEnumerator may only be used on a single thread.
-class MTPDeviceObjectEnumerator
-    : public fileapi::FileSystemFileUtil::AbstractFileEnumerator {
+class MTPDeviceObjectEnumerator {
  public:
   explicit MTPDeviceObjectEnumerator(const MTPDeviceObjectEntries& entries);
-  virtual ~MTPDeviceObjectEnumerator();
+  ~MTPDeviceObjectEnumerator();
 
-  // AbstractFileEnumerator:
-  virtual base::FilePath Next() OVERRIDE;
-  virtual int64 Size() OVERRIDE;
-  virtual bool IsDirectory() OVERRIDE;
-  virtual base::Time LastModifiedTime() OVERRIDE;
+  base::FilePath Next();
+  int64 Size();
+  bool IsDirectory();
+  base::Time LastModifiedTime();
 
   // If the current file object entry is valid, returns an non-empty object id.
   // Returns an empty string otherwise.