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

extensions/browser/api/cast_channel/cast_channel_api.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_CHANNEL_API_H_
 #define EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_CHANNEL_API_H_
 
 #include <memory>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
+#include "components/cast_channel/cast_channel_enum.h"
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/async_api_function.h"
 #include "extensions/browser/api/cast_channel/cast_socket.h"
 #include "extensions/browser/browser_context_keyed_api_factory.h"
 #include "extensions/common/api/cast_channel.h"
 
 class CastChannelAPITest;
 
 namespace content {
 class BrowserContext;
@@ skipping 144 matching lines @@
   // Receives incoming messages and errors and provides additional API and
   // origin socket context.
   class CastMessageHandler : public cast_channel::CastTransport::Delegate {
    public:
     CastMessageHandler(const EventDispatchCallback& ui_dispatch_cb,
                        cast_channel::CastSocket* socket,
                        scoped_refptr<api::cast_channel::Logger> logger);
     ~CastMessageHandler() override;
 
     // CastTransport::Delegate implementation.
-    void OnError(cast_channel::ChannelError error_state) override;
+    void OnError(::cast_channel::ChannelError error_state) override;
     void OnMessage(const cast_channel::CastMessage& message) override;
     void Start() override;
 
    private:
     // Callback for sending events to the extension.
     // Should be bound to a weak pointer, to prevent any use-after-free
     // conditions.
     EventDispatchCallback const ui_dispatch_cb_;
     cast_channel::CastSocket* const socket_;
     // Logger object for reporting error details.
     scoped_refptr<api::cast_channel::Logger> logger_;
 
     DISALLOW_COPY_AND_ASSIGN(CastMessageHandler);
   };
 
   // Validates that |connect_info| represents a valid IP end point and returns a
   // new IPEndPoint if so.  Otherwise returns nullptr.
   static net::IPEndPoint* ParseConnectInfo(
       const cast_channel::ConnectInfo& connect_info);
 
-  void OnOpen(cast_channel::ChannelError result);
+  void OnOpen(::cast_channel::ChannelError result);
 
   std::unique_ptr<cast_channel::Open::Params> params_;
   // The id of the newly opened socket.
   int new_channel_id_;
   CastChannelAPI* api_;
   std::unique_ptr<net::IPEndPoint> ip_endpoint_;
-  cast_channel::ChannelAuthType channel_auth_;
+  ::cast_channel::ChannelAuthType channel_auth_;
   base::TimeDelta liveness_timeout_;
   base::TimeDelta ping_interval_;
 
   FRIEND_TEST_ALL_PREFIXES(CastChannelOpenFunctionTest, TestParseConnectInfo);
   DISALLOW_COPY_AND_ASSIGN(CastChannelOpenFunction);
 };
 
 class CastChannelSendFunction : public CastChannelAsyncApiFunction {
  public:
   CastChannelSendFunction();
@@ skipping 34 matching lines @@
 
   std::unique_ptr<cast_channel::Close::Params> params_;
   CastChannelAPI* api_;
 
   DISALLOW_COPY_AND_ASSIGN(CastChannelCloseFunction);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_CHANNEL_API_H_