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

extensions/browser/api/networking_config/networking_config_api.h

 // Copyright 2015 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_NETWORKING_CONFIG_NETWORKING_CONFIG_API_H_
 #define EXTENSIONS_BROWSER_API_NETWORKING_CONFIG_NETWORKING_CONFIG_API_H_
 
 #include "extensions/common/api/networking_config.h"
 #include "extensions/browser/extension_function.h"
 
 namespace extensions {
 
 class NetworkingConfigSetNetworkFilterFunction
     : public UIThreadExtensionFunction {
  public:
   NetworkingConfigSetNetworkFilterFunction();
 
   ResponseAction Run() override;
 
   DECLARE_EXTENSION_FUNCTION("networking.config.setNetworkFilter",
                              NETWORKING_CONFIG_SETNETWORKFILTER);
 
  protected:
   ~NetworkingConfigSetNetworkFilterFunction() override;
 
-  scoped_ptr<core_api::networking_config::SetNetworkFilter::Params>
-      parameters_;
+  scoped_ptr<api::networking_config::SetNetworkFilter::Params> parameters_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkingConfigSetNetworkFilterFunction);
 };
 
 class NetworkingConfigFinishAuthenticationFunction
     : public UIThreadExtensionFunction {
  public:
   NetworkingConfigFinishAuthenticationFunction();
 
   ResponseAction Run() override;
 
   DECLARE_EXTENSION_FUNCTION("networking.config.finishAuthentication",
                              NETWORKING_CONFIG_FINISHAUTHENTICATION);
 
  protected:
   ~NetworkingConfigFinishAuthenticationFunction() override;
 
-  scoped_ptr<core_api::networking_config::FinishAuthentication::Params>
-      parameters_;
+  scoped_ptr<api::networking_config::FinishAuthentication::Params> parameters_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(NetworkingConfigFinishAuthenticationFunction);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_NETWORKING_CONFIG_NETWORKING_CONFIG_API_H_