Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

chrome/browser/ui/chrome_bubble_manager_factory.h

Index: chrome/browser/ui/chrome_bubble_manager_factory.h
diff --git a/chrome/browser/ui/chrome_bubble_manager_factory.h b/chrome/browser/ui/chrome_bubble_manager_factory.h
new file mode 100644
index 0000000000000000000000000000000000000000..8046308e89fd70fab7c22e16377e8983ca8cab50
--- /dev/null
+++ b/chrome/browser/ui/chrome_bubble_manager_factory.h
@@ -0,0 +1,31 @@
+// 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.
+
+#ifndef CHROME_BROWSER_UI_CHROME_BUBBLE_MANAGER_FACTORY_H_
+#define CHROME_BROWSER_UI_CHROME_BUBBLE_MANAGER_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
+
+class ChromeBubbleManager;
+
+class ChromeBubbleManagerFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static ChromeBubbleManager* GetForBrowserContext(
+      content::BrowserContext* context);
+
+  static ChromeBubbleManagerFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<ChromeBubbleManagerFactory>;
+
+  ChromeBubbleManagerFactory();
+  ~ChromeBubbleManagerFactory() override;
+
+  // BrowserContextKeyedServiceFactory:
+  KeyedService* BuildServiceInstanceFor(
+    content::BrowserContext* context) const override;
+};
+
+#endif  // CHROME_BROWSER_UI_CHROME_BUBBLE_MANAGER_FACTORY_H_