Implement stream based cross file system copy.

webkit/common/fileapi/file_system_util.cc

 // Copyright (c) 2012 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/common/fileapi/file_system_util.h"
 
 #include <algorithm>
 
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
+#include "net/base/net_errors.h"
 #include "url/gurl.h"
 #include "webkit/common/database/database_identifier.h"
 
 namespace fileapi {
 
 const char kPersistentDir[] = "/persistent";
 const char kTemporaryDir[] = "/temporary";
 const char kIsolatedDir[] = "/isolated";
 const char kExternalDir[] = "/external";
 const char kTestDir[] = "/test";
@@ skipping 365 matching lines @@
     const std::string& mount_name) {
   std::string root = GetFileSystemRootURI(origin_url,
                                           kFileSystemTypeExternal).spec();
   if (base::FilePath::FromUTF8Unsafe(mount_name).ReferencesParent())
     return std::string();
   root.append(mount_name);
   root.append("/");
   return root;
 }
 
+base::PlatformFileError NetErrorToPlatformFileError(int error) {

[kinuko, 2013/09/23 22:10:20]

It's really great if you could split this CL.  (You can ask tzik@ to stamp it
quickly while I'm in US)

[hidehiko, 2013/09/24 02:06:15]

Done. crrev.com/24300003
I'll rebase this onto it after the CL is landed.

+  switch (error) {
+    case net::OK:
+      return base::PLATFORM_FILE_OK;
+    case net::ERR_ADDRESS_IN_USE:
+      return base::PLATFORM_FILE_ERROR_IN_USE;
+    case net::ERR_FILE_EXISTS:
+      return base::PLATFORM_FILE_ERROR_EXISTS;
+    case net::ERR_FILE_NOT_FOUND:
+      return base::PLATFORM_FILE_ERROR_NOT_FOUND;
+    case net::ERR_ACCESS_DENIED:
+      return base::PLATFORM_FILE_ERROR_ACCESS_DENIED;
+    case net::ERR_TOO_MANY_SOCKET_STREAMS:
+      return base::PLATFORM_FILE_ERROR_TOO_MANY_OPENED;
+    case net::ERR_OUT_OF_MEMORY:
+      return base::PLATFORM_FILE_ERROR_NO_MEMORY;
+    case net::ERR_FILE_NO_SPACE:
+      return base::PLATFORM_FILE_ERROR_NO_SPACE;
+    case net::ERR_INVALID_ARGUMENT:
+    case net::ERR_INVALID_HANDLE:
+      return base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
+    case net::ERR_ABORTED:
+    case net::ERR_CONNECTION_ABORTED:
+      return base::PLATFORM_FILE_ERROR_ABORT;
+    case net::ERR_ADDRESS_INVALID:
+    case net::ERR_INVALID_URL:
+      return base::PLATFORM_FILE_ERROR_INVALID_URL;
+    default:
+      return base::PLATFORM_FILE_ERROR_FAILED;
+  }
+}
+
 }  // namespace fileapi