arc: Add ArcServiceManager to own all future ARC services

components/arc/arc_bridge_service.cc

Index: components/arc/arc_bridge_service.cc
diff --git a/components/arc/arc_bridge_service.cc b/components/arc/arc_bridge_service.cc
index 39072fd71c834083bfb9f18fb5995ac8df04a350..0e00e5a001801d4ce6c372b2d9307102c2e1f76a 100644
--- a/components/arc/arc_bridge_service.cc
+++ b/components/arc/arc_bridge_service.cc
@@ -12,34 +12,14 @@
 
 namespace arc {
 
-namespace {
-
-// Weak pointer.  This class is owned by ChromeBrowserMainPartsChromeos.
-ArcBridgeService* g_arc_bridge_service = nullptr;
-
-}  // namespace
-
 ArcBridgeService::ArcBridgeService()
     : origin_task_runner_(base::ThreadTaskRunnerHandle::Get()),
       available_(false),
-      state_(State::STOPPED) {
-  DCHECK(!g_arc_bridge_service);
-  g_arc_bridge_service = this;
-}
+      state_(State::STOPPED) {}
 
 ArcBridgeService::~ArcBridgeService() {
   DCHECK(origin_task_runner()->RunsTasksOnCurrentThread());
   DCHECK(state() == State::STOPPING || state() == State::STOPPED);
-  DCHECK(g_arc_bridge_service == this);
-  g_arc_bridge_service = nullptr;
-}
-
-// static
-ArcBridgeService* ArcBridgeService::Get() {
-  DCHECK(g_arc_bridge_service);
-  DCHECK(g_arc_bridge_service->origin_task_runner()->
-      RunsTasksOnCurrentThread());
-  return g_arc_bridge_service;
 }
 
 // static
@@ -93,12 +73,4 @@ void ArcBridgeService::SetAvailable(bool available) {
   FOR_EACH_OBSERVER(Observer, observer_list(), OnAvailableChanged(available_));
 }
 
-// static
-scoped_ptr<ArcBridgeService> ArcBridgeService::Create(
-    const scoped_refptr<base::SingleThreadTaskRunner>& ipc_task_runner,
-    const scoped_refptr<base::SequencedTaskRunner>& file_task_runner) {
-  return make_scoped_ptr(new ArcBridgeServiceImpl(ipc_task_runner,
-                                                  file_task_runner));
-}
-
 }  // namespace arc