[cast_channel] Move cast_channel related files from //extensions to //components

components/cast_channel/cast_socket_service_factory.h

 // Copyright 2017 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 EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_CHANNEL_SERVICE_FACTORY_H_
-#define EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_CHANNEL_SERVICE_FACTORY_H_
+#ifndef COMPONENTS_CAST_CHANNEL_CAST_SOCKET_SERVICE_FACTORY_H_
+#define COMPONENTS_CAST_CHANNEL_CAST_SOCKET_SERVICE_FACTORY_H_
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "components/keyed_service/content/refcounted_browser_context_keyed_service_factory.h"
 
-namespace extensions {
-namespace api {
 namespace cast_channel {
 
 class CastSocketService;
 
 // TODO(crbug.com/725717): CastSocket created by one profile (browser context)
 // could be shared with other profiles.
 class CastSocketServiceFactory
     : public RefcountedBrowserContextKeyedServiceFactory {
  public:
   // Caller needs to make sure that it passes in the same |context| instance to
@@ skipping 13 matching lines @@
   content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
 
   scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
 
   DISALLOW_COPY_AND_ASSIGN(CastSocketServiceFactory);
 };
 
 }  // namespace cast_channel
-}  // namespace api
-}  // namespace extensions
 
-#endif  // EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_CHANNEL_SERVICE_FACTORY_H_
+#endif  // COMPONENTS_CAST_CHANNEL_CAST_SOCKET_SERVICE_FACTORY_H_