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

components/cast_channel/cast_socket_service_unittest.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 "extensions/browser/api/cast_channel/cast_socket_service.h"
+#include "components/cast_channel/cast_socket_service.h"
+#include "components/cast_channel/cast_test_util.h"
 #include "content/public/test/test_browser_thread_bundle.h"
-#include "extensions/browser/api/cast_channel/cast_test_util.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::_;
 using testing::SaveArg;
 
-namespace extensions {
-namespace api {
 namespace cast_channel {
 
 class CastSocketServiceTest : public testing::Test {
  public:
   CastSocketServiceTest()
       : thread_bundle_(content::TestBrowserThreadBundle::IO_MAINLOOP) {}
 
  protected:
   content::TestBrowserThreadBundle thread_bundle_;
   CastSocketService cast_socket_service_;
@@ skipping 44 matching lines @@
   EXPECT_CALL(*mock_socket, set_id(_));
 
   auto* mock_socket_ptr = mock_socket.get();
   channel_id = registry->AddSocket(std::move(mock_socket));
   EXPECT_EQ(mock_socket_ptr, registry->GetSocket(channel_id));
   socket = registry->RemoveSocket(channel_id);
   EXPECT_TRUE(socket);
 }
 
 }  // namespace cast_channel
-}  // namespace api
-}  // namespace extensions