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

extensions/browser/api/bluetooth_low_energy/bluetooth_api_advertisement.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_BLUETOOTH_LOW_ENERGY_BLUETOOTH_API_ADVERTISEMENT_H_
 #define EXTENSIONS_BROWSER_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_API_ADVERTISEMENT_H_
 
 #include <string>
 
 #include "device/bluetooth/bluetooth_advertisement.h"
 #include "extensions/browser/api/api_resource.h"
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.h"
 
 namespace device {
 class BluetoothAdvertisement;
 }  // namespace device
 
-namespace apibtle = extensions::core_api::bluetooth_low_energy;
+namespace apibtle = extensions::api::bluetooth_low_energy;
 
 namespace extensions {
 
 // Representation of advertisement instances from the "bluetooth" namespace,
 // abstracting the underlying BluetoothAdvertisementXxx class. All methods
 // must be called on the |kThreadId| thread.
 class BluetoothApiAdvertisement : public ApiResource {
  public:
   BluetoothApiAdvertisement(const std::string& owner_extension_id,
                             scoped_refptr<device::BluetoothAdvertisement>);
@@ skipping 17 matching lines @@
 
   // The underlying advertisement instance.
   scoped_refptr<device::BluetoothAdvertisement> advertisement_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothApiAdvertisement);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_BLUETOOTH_LOW_ENERGY_BLUETOOTH_API_ADVERTISEMENT_H_