Validate image files before writing them to media galleries.

chrome/browser/media_galleries/fileapi/media_file_validator_factory.h

Index: chrome/browser/media_galleries/fileapi/media_file_validator_factory.h
diff --git a/chrome/browser/media_galleries/fileapi/media_file_validator_factory.h b/chrome/browser/media_galleries/fileapi/media_file_validator_factory.h
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+// Copyright 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_MEDIA_FILE_VALIDATOR_FACTORY_H_
+#define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_VALIDATOR_FACTORY_H_
+
+#include "base/basictypes.h"
+#include "webkit/browser/fileapi/copy_or_move_file_validator.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace fileapi {
+class FileSystemURL;
+}
+
+namespace chrome {
+
+// A factory for media file validators. A media file validator will use various
+// strategies (depending on the file type) to attempt to verify that the file
+// is a valid media file.
+class MediaFileValidatorFactory
+    : public fileapi::CopyOrMoveFileValidatorFactory {
+ public:
+  MediaFileValidatorFactory();
+  virtual ~MediaFileValidatorFactory();
+
+  // CopyOrMoveFileValidatorFactory implementation.
+  virtual fileapi::CopyOrMoveFileValidator* CreateCopyOrMoveFileValidator(
+            const fileapi::FileSystemURL& src,
+            const base::FilePath& platform_path) OVERRIDE;
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MediaFileValidatorFactory);
+};
+
+}  // namespace chrome
+
+#endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_MEDIA_FILE_VALIDATOR_FACTORY_H_