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

extensions/browser/api/audio/audio_api.cc

 // Copyright (c) 2013 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/audio/audio_api.h"
 
 #include "base/lazy_instance.h"
 #include "base/values.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/common/api/audio.h"
 
 namespace extensions {
 
-namespace audio = core_api::audio;
+namespace audio = api::audio;
 
 static base::LazyInstance<BrowserContextKeyedAPIFactory<AudioAPI> > g_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<AudioAPI>* AudioAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 AudioAPI::AudioAPI(content::BrowserContext* context)
@@ skipping 109 matching lines @@
                                     volume_value,
                                     gain_value))
     return false;
   else
     return true;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 }  // namespace extensions