Use mojo to connect to BackgroundSyncManager object

content/child/blink_platform_impl.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 "content/child/blink_platform_impl.h"
 
 #include <math.h>
 
 #include <vector>
 
@@ skipping 21 matching lines @@
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/trace_event.h"
 #include "blink/public/resources/grit/blink_image_resources.h"
 #include "blink/public/resources/grit/blink_resources.h"
 #include "components/mime_util/mime_util.h"
 #include "components/scheduler/child/web_task_runner_impl.h"
 #include "components/scheduler/child/webthread_impl_for_worker_scheduler.h"
 #include "content/app/resources/grit/content_resources.h"
 #include "content/app/strings/grit/content_strings.h"
 #include "content/child/background_sync/background_sync_provider.h"
-#include "content/child/background_sync/background_sync_provider_thread_proxy.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/content_child_helpers.h"
 #include "content/child/geofencing/web_geofencing_provider_impl.h"
 #include "content/child/navigator_connect/service_port_provider.h"
 #include "content/child/notifications/notification_dispatcher.h"
 #include "content/child/notifications/notification_manager.h"
 #include "content/child/permissions/permission_dispatcher.h"
 #include "content/child/permissions/permission_dispatcher_thread_proxy.h"
 #include "content/child/push_messaging/push_dispatcher.h"
 #include "content/child/push_messaging/push_provider.h"
@@ skipping 400 matching lines @@
   // ChildThread may not exist in some tests.
   if (ChildThreadImpl::current()) {
     geofencing_provider_.reset(new WebGeofencingProviderImpl(
         ChildThreadImpl::current()->thread_safe_sender()));
     thread_safe_sender_ = ChildThreadImpl::current()->thread_safe_sender();
     notification_dispatcher_ =
         ChildThreadImpl::current()->notification_dispatcher();
     push_dispatcher_ = ChildThreadImpl::current()->push_dispatcher();
     permission_client_.reset(new PermissionDispatcher(
         ChildThreadImpl::current()->service_registry()));
-    sync_provider_.reset(new BackgroundSyncProvider(
-        ChildThreadImpl::current()->service_registry()));
+    main_thread_sync_provider_.reset(
+        new BackgroundSyncProvider(main_thread_task_runner_.get()));
   }
 }
 
 void BlinkPlatformImpl::UpdateWebThreadTLS(blink::WebThread* thread) {
   DCHECK(!current_thread_slot_.Get());
   current_thread_slot_.Set(thread);
 }
 
 BlinkPlatformImpl::~BlinkPlatformImpl() {
 }
@@ skipping 733 matching lines @@
     return nullptr;
 
   if (IsMainThread())
     return permission_client_.get();
 
   return PermissionDispatcherThreadProxy::GetThreadInstance(
       main_thread_task_runner_.get(), permission_client_.get());
 }
 
 blink::WebSyncProvider* BlinkPlatformImpl::backgroundSyncProvider() {
-  if (!sync_provider_.get())
-    return nullptr;
+  if (IsMainThread())
+    return main_thread_sync_provider_.get();
 
-  if (IsMainThread())
-    return sync_provider_.get();
-
-  return BackgroundSyncProviderThreadProxy::GetThreadInstance(
-      main_thread_task_runner_.get(), sync_provider_.get());
+  return BackgroundSyncProvider::GetOrCreateThreadSpecificInstance(
+      main_thread_task_runner_.get());
 }
 
 WebThemeEngine* BlinkPlatformImpl::themeEngine() {
   return &native_theme_engine_;
 }
 
 WebFallbackThemeEngine* BlinkPlatformImpl::fallbackThemeEngine() {
   return &fallback_theme_engine_;
 }
 
@@ skipping 148 matching lines @@
   return WebString::fromUTF8(ui::KeycodeConverter::DomKeyToKeyString(
       static_cast<ui::DomKey>(dom_key)));
 }
 
 int BlinkPlatformImpl::domKeyEnumFromString(const WebString& key_string) {
   return static_cast<int>(
       ui::KeycodeConverter::KeyStringToDomKey(key_string.utf8().data()));
 }
 
 }  // namespace content