Generate all extension schema namespaces as "api" and instead vary the generated bundle names.

extensions/browser/api/cast_channel/cast_transport.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_transport.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/format_macros.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "extensions/browser/api/cast_channel/cast_framer.h"
 #include "extensions/browser/api/cast_channel/cast_message_util.h"
 #include "extensions/browser/api/cast_channel/logger.h"
 #include "extensions/browser/api/cast_channel/logger_util.h"
 #include "extensions/common/api/cast_channel/cast_channel.pb.h"
 #include "net/base/net_errors.h"
 #include "net/socket/socket.h"
 
 #define VLOG_WITH_CONNECTION(level)                                           \
   VLOG(level) << "[" << ip_endpoint_.ToString() << ", auth=" << channel_auth_ \
               << "] "
 
 namespace extensions {
-namespace core_api {
+namespace api {
 namespace cast_channel {
 
 CastTransportImpl::CastTransportImpl(net::Socket* socket,
                                      int channel_id,
                                      const net::IPEndPoint& ip_endpoint,
                                      ChannelAuthType channel_auth,
                                      scoped_refptr<Logger> logger)
     : started_(false),
       socket_(socket),
       write_state_(WRITE_STATE_NONE),
@@ skipping 405 matching lines @@
 }
 
 int CastTransportImpl::DoReadError(int result) {
   VLOG_WITH_CONNECTION(2) << "DoReadError";
   DCHECK_NE(CHANNEL_ERROR_NONE, error_state_);
   DCHECK_LE(result, 0);
   return net::ERR_FAILED;
 }
 
 }  // namespace cast_channel
-}  // namespace core_api
+}  // namespace api
 }  // namespace extensions