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

extensions/browser/api/bluetooth/bluetooth_extension_function.cc

 // Copyright (c) 2012 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/bluetooth/bluetooth_extension_function.h"
 
 #include "base/memory/ref_counted.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_factory.h"
@@ skipping 20 matching lines @@
 
 void GetAdapter(const device::BluetoothAdapterFactory::AdapterCallback callback,
                 content::BrowserContext* context) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   GetEventRouter(context)->GetAdapter(callback);
 }
 
 }  // namespace
 
 namespace extensions {
-namespace core_api {
+namespace api {
 
 BluetoothExtensionFunction::BluetoothExtensionFunction() {
 }
 
 BluetoothExtensionFunction::~BluetoothExtensionFunction() {
 }
 
 bool BluetoothExtensionFunction::RunAsync() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   if (!IsBluetoothSupported(browser_context())) {
     SetError(kPlatformNotSupported);
     return false;
   }
   GetAdapter(base::Bind(&BluetoothExtensionFunction::RunOnAdapterReady, this),
              browser_context());
 
   return true;
 }
 
 void BluetoothExtensionFunction::RunOnAdapterReady(
     scoped_refptr<device::BluetoothAdapter> adapter) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DoWork(adapter);
 }
 
-}  // namespace core_api
+}  // namespace api
 }  // namespace extensions