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

components/cast_channel/cast_framer.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_FRAMER_H_
-#define EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_FRAMER_H_
+#ifndef COMPONENTS_CAST_CHANNEL_CAST_FRAMER_H_
+#define COMPONENTS_CAST_CHANNEL_CAST_FRAMER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "components/cast_channel/cast_channel_enum.h"
 #include "net/base/io_buffer.h"
 
-namespace extensions {
-namespace api {
 namespace cast_channel {
 class CastMessage;
 
 // Class for constructing and parsing CastMessage packet data.
 class MessageFramer {
  public:
   using ChannelError = ::cast_channel::ChannelError;
 
   // |input_buffer|: The input buffer used by all socket read operations that
   //                 feed data into the framer.
@@ skipping 63 matching lines @@
   // Input buffer which carries message data read from the socket.
   // Caller is responsible for writing into this buffer.
   scoped_refptr<net::GrowableIOBuffer> input_buffer_;
 
   // Disables Ingest functionality is the parser receives invalid data.
   bool error_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageFramer);
 };
 }  // namespace cast_channel
-}  // namespace api
-}  // namespace extensions
-#endif  // EXTENSIONS_BROWSER_API_CAST_CHANNEL_CAST_FRAMER_H_
+#endif  // COMPONENTS_CAST_CHANNEL_CAST_FRAMER_H_