No media-file validation mode for DeviceMediaAsyncUtil.

chrome/browser/media_galleries/fileapi/device_media_async_file_util.h

 // Copyright (c) 2013 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_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 12 matching lines @@
 }
 
 namespace net {
 class IOBuffer;
 }
 
 namespace webkit_blob {
 class FileStreamReader;
 }
 
+enum MediaFileValidationType {
+  NO_MEDIA_FILE_VALIDATION,
+  APPLY_MEDIA_FILE_VALIDATION,
+};
+
 class DeviceMediaAsyncFileUtil : public fileapi::AsyncFileUtil {
  public:
   virtual ~DeviceMediaAsyncFileUtil();
 
   // Returns an instance of DeviceMediaAsyncFileUtil. Returns NULL if
   // asynchronous operation is not supported. Callers own the returned
   // object.
-  static DeviceMediaAsyncFileUtil* Create(const base::FilePath& profile_path);
+  static DeviceMediaAsyncFileUtil* Create(
+      const base::FilePath& profile_path,
+      MediaFileValidationType validation_type);
 
   bool SupportsStreaming(const fileapi::FileSystemURL& url);
 
   // AsyncFileUtil overrides.
   virtual void CreateOrOpen(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       int file_flags,
       const CreateOrOpenCallback& callback) OVERRIDE;
   virtual void EnsureFileExists(
@@ skipping 66 matching lines @@
   // when the state of the underlying storage changes. Any errors associated
   // with reading this file are returned by the FileStreamReader itself.
   virtual scoped_ptr<webkit_blob::FileStreamReader> GetFileStreamReader(
       const fileapi::FileSystemURL& url,
       int64 offset,
       const base::Time& expected_modification_time,
       fileapi::FileSystemContext* context);
 
  private:
   // Use Create() to get an instance of DeviceMediaAsyncFileUtil.
-  explicit DeviceMediaAsyncFileUtil(const base::FilePath& profile_path);
+  DeviceMediaAsyncFileUtil(const base::FilePath& profile_path,
+                           MediaFileValidationType validation_type);
 
   // Called when GetFileInfo method call succeeds. |file_info| contains the
   // file details of the requested url. |callback| is invoked to complete the
   // GetFileInfo request.
   void OnDidGetFileInfo(
       const AsyncFileUtil::GetFileInfoCallback& callback,
       const base::File::Info& file_info);
 
   // Called when GetFileInfo method call failed to get the details of file
   // specified by the requested url. |callback| is invoked to notify the
@@ skipping 56 matching lines @@
   // contents of url.path() to |snapshot_file_path|.
   void OnSnapshotFileCreatedRunTask(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const AsyncFileUtil::CreateSnapshotFileCallback& callback,
       const fileapi::FileSystemURL& url,
       const base::FilePath& snapshot_file_path);
 
   // Profile path.
   const base::FilePath profile_path_;
 
+  const MediaFileValidationType validation_type_;
+
   // For callbacks that may run after destruction.
   base::WeakPtrFactory<DeviceMediaAsyncFileUtil> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceMediaAsyncFileUtil);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_DEVICE_MEDIA_ASYNC_FILE_UTIL_H_