[fsp] Remove the create flag from the file opening operation.

chrome/browser/chromeos/file_system_provider/fake_provided_file_system.cc

 // Copyright 2014 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 "chrome/browser/chromeos/file_system_provider/fake_provided_file_system.h"
 
 #include <string>
 
 #include "base/files/file.h"
 #include "base/message_loop/message_loop_proxy.h"
@@ skipping 124 matching lines @@
 
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(
             callback, base::File::FILE_OK, entry_list, false /* has_more */));
   }
 }
 
 void FakeProvidedFileSystem::OpenFile(const base::FilePath& file_path,
                                       OpenFileMode mode,
-                                      bool create,
                                       const OpenFileCallback& callback) {
-  if (mode == OPEN_FILE_MODE_WRITE || create) {
+  if (mode == OPEN_FILE_MODE_WRITE) {
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
         base::Bind(callback,
                    0 /* file_handle */,
                    base::File::FILE_ERROR_ACCESS_DENIED));
   }
 
   if (file_path.AsUTF8Unsafe() != "/hello.txt") {
     base::MessageLoopProxy::current()->PostTask(
         FROM_HERE,
@@ skipping 86 matching lines @@
   return new FakeProvidedFileSystem(file_system_info);
 }
 
 base::WeakPtr<ProvidedFileSystemInterface>
 FakeProvidedFileSystem::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos