Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/local_file_system_operation_write_unittest.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 <vector>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop.h"
@@ skipping 72 matching lines @@
         complete_(false),
         url_request_context_(test_helper_.file_system_context()) {
     change_observers_ = MockFileChangeObserver::CreateList(&change_observer_);
   }
 
   virtual void SetUp() {
     ASSERT_TRUE(dir_.CreateUniqueTempDir());
     base::FilePath base_dir = dir_.path().AppendASCII("filesystem");
 
     quota_manager_ = new MockQuotaManager(base_dir, 1024);
-    test_helper_.SetUp(base_dir,
-                      false /* unlimited quota */,
-                      quota_manager_->proxy());
+    test_helper_.SetUp(base_dir, quota_manager_->proxy());
     virtual_path_ = base::FilePath(FILE_PATH_LITERAL("temporary file"));
 
     NewOperation()->CreateFile(
         URLForPath(virtual_path_), true /* exclusive */,
         base::Bind(&AssertStatusEq, base::PLATFORM_FILE_OK));
   }
 
   virtual void TearDown() {
     quota_manager_ = NULL;
     test_helper_.TearDown();
@@ skipping 239 matching lines @@
   EXPECT_EQ(base::PLATFORM_FILE_ERROR_ABORT, status());
   EXPECT_EQ(base::PLATFORM_FILE_OK, cancel_status());
   EXPECT_TRUE(complete());
 
   EXPECT_EQ(0, change_observer()->get_and_reset_modify_file_count());
 }
 
 // TODO(ericu,dmikurube,kinuko): Add more tests for cancel cases.
 
 }  // namespace fileapi