Reland 132134 with memory fix - Use LocalFileReader in FileSystemURLRequestJob

webkit/blob/blob_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/blob/blob_url_request_job.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/file_util_proxy.h"
 #include "base/message_loop.h"
@@ skipping 25 matching lines @@
 
 const char kHTTPOKText[] = "OK";
 const char kHTTPPartialContentText[] = "Partial Content";
 const char kHTTPNotAllowedText[] = "Not Allowed";
 const char kHTTPNotFoundText[] = "Not Found";
 const char kHTTPMethodNotAllowText[] = "Method Not Allowed";
 const char kHTTPRequestedRangeNotSatisfiableText[] =
     "Requested Range Not Satisfiable";
 const char kHTTPInternalErrorText[] = "Internal Server Error";
 
-const int kFileOpenFlags = base::PLATFORM_FILE_OPEN |
-                           base::PLATFORM_FILE_READ |
-                           base::PLATFORM_FILE_ASYNC;
-
 }  // namespace
 
 BlobURLRequestJob::BlobURLRequestJob(
     net::URLRequest* request,
     BlobData* blob_data,
     base::MessageLoopProxy* file_thread_proxy)
     : net::URLRequestJob(request),
       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)),
       blob_data_(blob_data),
       file_thread_proxy_(file_thread_proxy),
@@ skipping 468 matching lines @@
         file_thread_proxy_,
         item.file_path,
         item.offset,
         item.expected_modification_time);
   }
   DCHECK(index_to_reader_[index]);
   return index_to_reader_[index];
 }
 
 }  // namespace webkit_blob