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

extensions/browser/api/sockets_tcp/sockets_tcp_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_SOCKETS_TCP_SOCKETS_TCP_API_H_
 #define EXTENSIONS_BROWSER_API_SOCKETS_TCP_SOCKETS_TCP_API_H_
 
 #include "extensions/browser/api/socket/socket_api.h"
 #include "extensions/common/api/sockets_tcp.h"
 
 namespace extensions {
 class ResumableTCPSocket;
 class TLSSocket;
 }
 
 namespace extensions {
-namespace core_api {
+namespace api {
 
 class TCPSocketEventDispatcher;
 
 class TCPSocketAsyncApiFunction : public SocketAsyncApiFunction {
  protected:
   ~TCPSocketAsyncApiFunction() override;
 
   scoped_ptr<SocketResourceManagerInterface> CreateSocketResourceManager()
       override;
 
@@ skipping 227 matching lines @@
                               int result);
 
   bool paused_;
   bool persistent_;
   scoped_ptr<sockets_tcp::Secure::Params> params_;
   scoped_refptr<net::URLRequestContextGetter> url_request_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketsTcpSecureFunction);
 };
 
-}  // namespace core_api
+}  // namespace api
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_SOCKETS_TCP_SOCKETS_TCP_API_H_