Adding FileUtil::CreateSnapshotFile

webkit/fileapi/obfuscated_file_util.h

Index: webkit/fileapi/obfuscated_file_util.h
diff --git a/webkit/fileapi/obfuscated_file_util.h b/webkit/fileapi/obfuscated_file_util.h
index 0bf67a072698015d45d370d1020d240ba5bcbcce..57f280f8097725775cd850d5a4c025583a40ee00 100644
--- a/webkit/fileapi/obfuscated_file_util.h
+++ b/webkit/fileapi/obfuscated_file_util.h
@@ -13,6 +13,7 @@
 #include "base/file_util_proxy.h"
 #include "base/platform_file.h"
 #include "base/timer.h"
+#include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_directory_database.h"
 #include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/file_system_origin_database.h"
@@ -57,84 +58,76 @@ class FILEAPI_EXPORT_PRIVATE ObfuscatedFileUtil : public FileSystemFileUtil {
   explicit ObfuscatedFileUtil(const FilePath& file_system_directory);
   virtual ~ObfuscatedFileUtil();
 
+  // FileSystemFileUtil overrides.
   virtual base::PlatformFileError CreateOrOpen(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       int file_flags,
       base::PlatformFile* file_handle,
       bool* created) OVERRIDE;
-
   virtual PlatformFileError Close(
       FileSystemOperationContext* context,
       PlatformFile file) OVERRIDE;
-
   virtual base::PlatformFileError EnsureFileExists(
       FileSystemOperationContext* context,
       const FileSystemURL& url, bool* created) OVERRIDE;
-
   virtual base::PlatformFileError CreateDirectory(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       bool exclusive,
       bool recursive) OVERRIDE;
-
   virtual base::PlatformFileError GetFileInfo(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       base::PlatformFileInfo* file_info,
       FilePath* platform_file) OVERRIDE;
-
   virtual AbstractFileEnumerator* CreateFileEnumerator(
       FileSystemOperationContext* context,
       const FileSystemURL& root_url,
       bool recursive) OVERRIDE;
-
   virtual base::PlatformFileError GetLocalFilePath(
       FileSystemOperationContext* context,
       const FileSystemURL& file_system_url,
       FilePath* local_path) OVERRIDE;
-
   virtual base::PlatformFileError Touch(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       const base::Time& last_access_time,
       const base::Time& last_modified_time) OVERRIDE;
-
   virtual base::PlatformFileError Truncate(
       FileSystemOperationContext* context,
       const FileSystemURL& url,
       int64 length) OVERRIDE;
-
   virtual bool PathExists(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
-
   virtual bool DirectoryExists(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
-
   virtual bool IsDirectoryEmpty(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
-
   virtual base::PlatformFileError CopyOrMoveFile(
       FileSystemOperationContext* context,
       const FileSystemURL& src_url,
       const FileSystemURL& dest_url,
       bool copy) OVERRIDE;
-
   virtual PlatformFileError CopyInForeignFile(
         FileSystemOperationContext* context,
         const FilePath& src_file_path,
         const FileSystemURL& dest_url) OVERRIDE;
-
   virtual base::PlatformFileError DeleteFile(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
-
   virtual base::PlatformFileError DeleteSingleDirectory(
       FileSystemOperationContext* context,
       const FileSystemURL& url) OVERRIDE;
+  virtual scoped_refptr<webkit_blob::ShareableFileReference>
+      CreateSnapshotFile(FileSystemOperationContext* context,
+                         const FileSystemURL& url,
+                         base::PlatformFileError* result,
+                         base::PlatformFileInfo* file_info,
+                         FilePath* platform_path) OVERRIDE;
 
   // Gets the topmost directory specific to this origin and type.  This will
   // contain both the directory database's files and all the backing file