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

extensions/browser/api/bluetooth/bluetooth_api_utils.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_api_utils.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "extensions/common/api/bluetooth.h"
 
-namespace bluetooth = extensions::core_api::bluetooth;
+namespace bluetooth = extensions::api::bluetooth;
 
 using device::BluetoothDevice;
 using bluetooth::VendorIdSource;
 
 namespace {
 
 bool ConvertVendorIDSourceToApi(const BluetoothDevice::VendorIDSource& input,
                                 bluetooth::VendorIdSource* output) {
   switch (input) {
     case BluetoothDevice::VENDOR_ID_UNKNOWN:
@@ skipping 57 matching lines @@
       *output = bluetooth::DEVICE_TYPE_KEYBOARDMOUSECOMBO;
       return true;
     default:
       return false;
   }
 }
 
 }  // namespace
 
 namespace extensions {
-namespace core_api {
+namespace api {
 namespace bluetooth {
 
 void BluetoothDeviceToApiDevice(const device::BluetoothDevice& device,
                                 Device* out) {
   out->address = device.GetAddress();
   out->name.reset(new std::string(base::UTF16ToUTF8(device.GetName())));
   out->device_class.reset(new int(device.GetBluetoothClass()));
 
   // Only include the Device ID members when one exists for the device, and
   // always include all or none.
@@ skipping 31 matching lines @@
 void PopulateAdapterState(const device::BluetoothAdapter& adapter,
                           AdapterState* out) {
   out->discovering = adapter.IsDiscovering();
   out->available = adapter.IsPresent();
   out->powered = adapter.IsPowered();
   out->name = adapter.GetName();
   out->address = adapter.GetAddress();
 }
 
 }  // namespace bluetooth
-}  // namespace core_api
+}  // namespace api
 }  // namespace extensions