Adding FileUtil::CreateSnapshotFile

webkit/fileapi/isolated_file_util.cc

Index: webkit/fileapi/isolated_file_util.cc
diff --git a/webkit/fileapi/isolated_file_util.cc b/webkit/fileapi/isolated_file_util.cc
index 502902d428e955b40adb11b8dd5b480a2e8a0800..1d50a56f71c35cfd3e8d8ff8b6c0a04f36880b73 100644
--- a/webkit/fileapi/isolated_file_util.cc
+++ b/webkit/fileapi/isolated_file_util.cc
@@ -8,6 +8,7 @@
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
+#include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #include "webkit/fileapi/file_system_url.h"
@@ -371,6 +372,18 @@ PlatformFileError IsolatedFileUtil::DeleteSingleDirectory(
   return base::PLATFORM_FILE_ERROR_SECURITY;
 }
 
+scoped_refptr<webkit_blob::ShareableFileReference>
+IsolatedFileUtil::CreateSnapshotFile(
+    FileSystemOperationContext* context,
+    const FileSystemURL& url,
+    base::PlatformFileError* result,
+    base::PlatformFileInfo* file_info,
+    FilePath* platform_path) {
+  DCHECK(result);
+  *result = GetFileInfo(context, url, file_info, platform_path);
+  return NULL;
+}
+
 bool IsolatedFileUtil::GetPlatformPath(const FileSystemURL& url,
                                        FilePath* platform_path) const {
   DCHECK(platform_path);