Move DBMessageFilter to content/child since its only used in child ptypes

content/worker/worker_thread.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 "content/worker/worker_thread.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/threading/thread_local.h"
 #include "content/child/appcache_dispatcher.h"
+#include "content/child/db_message_filter.h"
 #include "content/child/indexed_db/indexed_db_message_filter.h"
 #include "content/child/runtime_features.h"
 #include "content/child/web_database_observer_impl.h"
-#include "content/common/db_message_filter.h"
 #include "content/common/worker_messages.h"
 #include "content/public/common/content_switches.h"
 #include "content/worker/websharedworker_stub.h"
 #include "content/worker/worker_webkitplatformsupport_impl.h"
 #include "ipc/ipc_sync_channel.h"
+#include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 #include "third_party/WebKit/public/web/WebDatabase.h"
 #include "third_party/WebKit/public/web/WebKit.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
-#include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 #include "webkit/glue/webkit_glue.h"
 #include "webkit/renderer/appcache/appcache_frontend_impl.h"
 
 using WebKit::WebRuntimeFeatures;
 
 namespace content {
 
 static base::LazyInstance<base::ThreadLocalPointer<WorkerThread> > lazy_tls =
     LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 74 matching lines @@
 
 void WorkerThread::RemoveWorkerStub(WebSharedWorkerStub* stub) {
   worker_stubs_.erase(stub);
 }
 
 void WorkerThread::AddWorkerStub(WebSharedWorkerStub* stub) {
   worker_stubs_.insert(stub);
 }
 
 }  // namespace content