Remove BrowserFileSystemContext class (merge into SandboxedFSContext)

webkit/fileapi/sandboxed_file_system_operation.cc

 // Copyright (c) 2010 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/sandboxed_file_system_operation.h"
 
 #include "net/url_request/url_request_context.h"
 #include "webkit/fileapi/file_system_callback_dispatcher.h"
 #include "webkit/fileapi/file_system_path_manager.h"
 #include "webkit/fileapi/file_system_quota_manager.h"
 #include "webkit/fileapi/sandboxed_file_system_context.h"
 
 namespace fileapi {
 
 SandboxedFileSystemOperation::SandboxedFileSystemOperation(
     FileSystemCallbackDispatcher* dispatcher,
     scoped_refptr<base::MessageLoopProxy> proxy,
-    SandboxedFileSystemContext* file_system_context)
+    scoped_refptr<SandboxedFileSystemContext> file_system_context)
     : FileSystemOperation(dispatcher, proxy),
       file_system_context_(file_system_context),
       callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
   DCHECK(file_system_context_);
 }
 
 SandboxedFileSystemOperation::~SandboxedFileSystemOperation() {}
 
 void SandboxedFileSystemOperation::OpenFileSystem(
     const GURL& origin_url, fileapi::FileSystemType type, bool create) {
@@ skipping 164 matching lines @@
   // need to resolve what amount of size it's going to write.
   if (!file_system_context_->quota_manager()->CheckOriginQuota(
           origin_url, growth)) {
     dispatcher()->DidFail(base::PLATFORM_FILE_ERROR_NO_SPACE);
     return false;
   }
   return true;
 }
 
 }  // namespace fileapi