Update callers of CreateFileSystemOperation so more detailed error codes can be returned. Where app…

webkit/fileapi/file_system_url_request_job.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/fileapi/file_system_url_request_job.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 139 matching lines @@
   if (response_info_.get())
     return 200;
   return URLRequestJob::GetResponseCode();
 }
 
 void FileSystemURLRequestJob::StartAsync() {
   if (!request_)
     return;
   DCHECK(!reader_.get());
   url_ = FileSystemURL(request_->url());
+  base::PlatformFileError error_code;
   FileSystemOperation* operation =
-      file_system_context_->CreateFileSystemOperation(url_);
-  if (!operation) {
+      file_system_context_->CreateFileSystemOperation(url_, &error_code);
+  if (error_code != base::PLATFORM_FILE_OK) {
     NotifyDone(URLRequestStatus(URLRequestStatus::FAILED,
-                                net::ERR_INVALID_URL));
+                                net::PlatformFileErrorToNetError(error_code)));
     return;
   }
   operation->GetMetadata(
       url_,
       base::Bind(&FileSystemURLRequestJob::DidGetMetadata,
                  weak_factory_.GetWeakPtr()));
 }
 
 void FileSystemURLRequestJob::DidGetMetadata(
     base::PlatformFileError error_code,
@@ skipping 66 matching lines @@
   }
 
   return false;
 }
 
 void FileSystemURLRequestJob::NotifyFailed(int rv) {
   NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
 }
 
 }  // namespace fileapi