[cast_channel] Make cast_channel related files not depend on "cast_channel.h"

extensions/browser/api/cast_channel/cast_socket.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_SOCKET_H_
 #define EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_SOCKET_H_
 
 #include <stdint.h>
 
 #include <queue>
 #include <string>
 
 #include "base/cancelable_callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
 #include "base/timer/timer.h"
+#include "components/cast_channel/cast_channel_enum.h"
 #include "extensions/browser/api/api_resource.h"
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/cast_channel/cast_auth_util.h"
 #include "extensions/browser/api/cast_channel/cast_socket.h"
 #include "extensions/browser/api/cast_channel/cast_transport.h"
-#include "extensions/common/api/cast_channel.h"
 #include "extensions/common/api/cast_channel/logging.pb.h"
 #include "net/base/completion_callback.h"
 #include "net/base/io_buffer.h"
 #include "net/base/ip_endpoint.h"
 #include "net/log/net_log_source.h"
 
 namespace net {
 class CertVerifier;
 class CTPolicyEnforcer;
 class CTVerifier;
@@ skipping 18 matching lines @@
   VIDEO_OUT = 1 << 0,
   VIDEO_IN = 1 << 1,
   AUDIO_OUT = 1 << 2,
   AUDIO_IN = 1 << 3,
   DEV_MODE = 1 << 4
 };
 
 // Public interface of the CastSocket class.
 class CastSocket : public ApiResource {
  public:
+  using ChannelError = ::cast_channel::ChannelError;
+  using ChannelAuthType = ::cast_channel::ChannelAuthType;
+  using ReadyState = ::cast_channel::ReadyState;
+
   explicit CastSocket(const std::string& owner_extension_id);
   ~CastSocket() override {}
 
   // Used by BrowserContextKeyedAPIFactory.
   static const char* service_name() { return "CastSocketImplManager"; }
 
   // Connects the channel to the peer. If successful, the channel will be in
   // READY_STATE_OPEN.  DO NOT delete the CastSocket object in |callback|.
   // Instead use Close().
   // |callback| will be invoked with any ChannelError that occurred, or
@@ skipping 328 matching lines @@
   // information.
   AuthTransportDelegate* auth_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(CastSocketImpl);
 };
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_SOCKET_H_