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

extensions/browser/api/cast_channel/logger_util.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/logger_util.h"
 #include "extensions/common/api/cast_channel/logging.pb.h"
 #include "net/base/net_errors.h"
 
 namespace extensions {
-namespace core_api {
+namespace api {
 namespace cast_channel {
 LastErrors::LastErrors()
     : event_type(proto::EVENT_TYPE_UNKNOWN),
       challenge_reply_error_type(proto::CHALLENGE_REPLY_ERROR_NONE),
       net_return_value(net::OK),
       nss_error_code(0) {
 }
 
 LastErrors::~LastErrors() {
 }
@@ skipping 39 matching lines @@
     case READY_STATE_CLOSED:
       return proto::READY_STATE_CLOSED;
     default:
       NOTREACHED();
       return proto::READY_STATE_NONE;
   }
 }
 }  // namespace cast_channel
 }  // namespace api
 }  // namespace extensions