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

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 "components/cast_channel/cast_socket.h"
-#include "components/cast_channel/proto/logging.pb.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;
 }
 
 namespace net {
 class IPEndPoint;
 }
 
-namespace cast_channel {
-class CastSocketService;
-}  // namespace cast_channel
-
 namespace extensions {
 
 struct Event;
 
+namespace api {
+namespace cast_channel {
+class CastSocketService;
+class Logger;
+}  // namespace cast_channel
+}  // namespace api
+
+namespace cast_channel = api::cast_channel;
+
 class CastChannelAPI : public BrowserContextKeyedAPI,
                        public base::SupportsWeakPtr<CastChannelAPI> {
  public:
   explicit CastChannelAPI(content::BrowserContext* context);
 
   static CastChannelAPI* Get(content::BrowserContext* context);
 
   // BrowserContextKeyedAPI implementation.
   static BrowserContextKeyedAPIFactory<CastChannelAPI>* GetFactoryInstance();
 
@@ skipping 54 matching lines @@
   // AsyncApiFunction:
   bool PrePrepare() override;
   bool Respond() override;
 
   // Sets the function result to a ChannelInfo obtained from the state of
   // |socket|.
   void SetResultFromSocket(const cast_channel::CastSocket& socket);
 
   // Sets the function result to a ChannelInfo populated with |channel_id| and
   // |error|.
-  void SetResultFromError(int channel_id,
-                          api::cast_channel::ChannelError error);
+  void SetResultFromError(int channel_id, cast_channel::ChannelError error);
 
   // Manages creating and removing Cast sockets.
-  scoped_refptr<cast_channel::CastSocketService> cast_socket_service_;
+  scoped_refptr<api::cast_channel::CastSocketService> cast_socket_service_;
 
  private:
   // Sets the function result from |channel_info|.
-  void SetResultFromChannelInfo(
-      const api::cast_channel::ChannelInfo& channel_info);
+  void SetResultFromChannelInfo(const cast_channel::ChannelInfo& channel_info);
 };
 
 class CastChannelOpenFunction : public CastChannelAsyncApiFunction {
  public:
   CastChannelOpenFunction();
 
  protected:
   ~CastChannelOpenFunction() override;
 
   // AsyncApiFunction:
   bool PrePrepare() override;
   bool Prepare() override;
   void AsyncWorkStart() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("cast.channel.open", CAST_CHANNEL_OPEN)
 
   // Defines a callback used to send events to the extension's
   // EventRouter.
   //     Parameter #0 is a scoped pointer to the event payload.
   using EventDispatchCallback = base::Callback<void(std::unique_ptr<Event>)>;
 
   // 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<cast_channel::Logger> logger);
+                       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<cast_channel::Logger> logger_;
+    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 api::cast_channel::ConnectInfo& connect_info);
+      const cast_channel::ConnectInfo& connect_info);
 
-  void OnOpen(cast_channel::ChannelError result);
+  void OnOpen(::cast_channel::ChannelError result);
 
-  std::unique_ptr<api::cast_channel::Open::Params> params_;
+  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();
 
  protected:
   ~CastChannelSendFunction() override;
 
   // AsyncApiFunction:
   bool Prepare() override;
   void AsyncWorkStart() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("cast.channel.send", CAST_CHANNEL_SEND)
 
   void OnSend(int result);
 
-  std::unique_ptr<api::cast_channel::Send::Params> params_;
+  std::unique_ptr<cast_channel::Send::Params> params_;
 
   DISALLOW_COPY_AND_ASSIGN(CastChannelSendFunction);
 };
 
 class CastChannelCloseFunction : public CastChannelAsyncApiFunction {
  public:
   CastChannelCloseFunction();
 
  protected:
   ~CastChannelCloseFunction() override;
 
   // AsyncApiFunction:
   bool PrePrepare() override;
   bool Prepare() override;
   void AsyncWorkStart() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("cast.channel.close", CAST_CHANNEL_CLOSE)
 
   void OnClose(int result);
 
-  std::unique_ptr<api::cast_channel::Close::Params> params_;
+  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_