Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

chrome/browser/ui/chrome_bubble_manager_factory.cc

+// Copyright 2015 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 "chrome/browser/ui/chrome_bubble_manager_factory.h"
+
+#include "chrome/browser/ui/chrome_bubble_manager.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+// static
+ChromeBubbleManager* ChromeBubbleManagerFactory::GetForBrowserContext(
+    content::BrowserContext* context) {
+  return static_cast<ChromeBubbleManager*>(
+      GetInstance()->GetServiceForBrowserContext(context, true));
+}
+
+// static
+ChromeBubbleManagerFactory* ChromeBubbleManagerFactory::GetInstance() {
+  return Singleton<ChromeBubbleManagerFactory>::get();
+}
+
+ChromeBubbleManagerFactory::ChromeBubbleManagerFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ChromeBubbleManager",
+          BrowserContextDependencyManager::GetInstance()) {
+}
+
+ChromeBubbleManagerFactory::~ChromeBubbleManagerFactory() {
+}
+
+KeyedService* ChromeBubbleManagerFactory::BuildServiceInstanceFor(
+    content::BrowserContext* context) const {
+  return new ChromeBubbleManager();
+}