Enable cross-filesystem moves and copies.

webkit/fileapi/local_file_system_file_util.cc

 // Copyright (c) 2011 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.
 
 #include "webkit/fileapi/local_file_system_file_util.h"
 
 #include "base/file_util_proxy.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_operation_context.h"
@@ skipping 103 matching lines @@
     return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
   FilePath local_dest_path =
       GetLocalPath(context, context->dest_origin_url(), context->dest_type(),
           dest_file_path);
   if (local_dest_path.empty())
     return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
   return QuotaFileUtil::GetInstance()->CopyOrMoveFile(
       context, local_src_path, local_dest_path, copy);
 }
 
+PlatformFileError LocalFileSystemFileUtil::CopyInForeignFile(
+    FileSystemOperationContext* context,
+    const FilePath& src_file_path,
+    const FilePath& dest_file_path) {
+  if (src_file_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  FilePath local_dest_path =
+      GetLocalPath(context, context->dest_origin_url(), context->dest_type(),
+          dest_file_path);
+  if (local_dest_path.empty())
+    return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+  return QuotaFileUtil::GetInstance()->CopyOrMoveFile(
+      context, src_file_path, local_dest_path, true);
+}
+
 PlatformFileError LocalFileSystemFileUtil::DeleteFile(
     FileSystemOperationContext* context,
     const FilePath& file_path) {
   FilePath local_path =
       GetLocalPath(context, context->src_origin_url(), context->src_type(),
           file_path);
   if (local_path.empty())
     return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
   return QuotaFileUtil::GetInstance()->DeleteFile(
       context, local_path);
@@ skipping 136 matching lines @@
     const FilePath& virtual_path) {
   FilePath root = context->file_system_context()->path_manager()->
       ValidateFileSystemRootAndGetPathOnFileThread(origin_url, type,
           virtual_path, false);
   if (root.empty())
     return FilePath();
   return root.Append(virtual_path);
 }
 
 }  // namespace fileapi