Set up the infrastructure for Extension event metrics.

extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_event_router.cc

 // Copyright 2014 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_low_energy/bluetooth_low_energy_event_router.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/values.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 848 matching lines @@
   DCHECK(device->GetAddress() ==
          service_id_to_device_address_[service->GetIdentifier()]);
   service_id_to_device_address_.erase(service->GetIdentifier());
 
   // Signal API event.
   apibtle::Service api_service;
   PopulateService(service, &api_service);
 
   scoped_ptr<base::ListValue> args =
       apibtle::OnServiceRemoved::Create(api_service);
-  scoped_ptr<Event> event(
-      new Event(apibtle::OnServiceRemoved::kEventName, args.Pass()));
+  scoped_ptr<Event> event(new Event(
+      events::UNKNOWN, apibtle::OnServiceRemoved::kEventName, args.Pass()));
   EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
 }
 
 void BluetoothLowEnergyEventRouter::GattDiscoveryCompleteForService(
     BluetoothAdapter* adapter,
     BluetoothGattService* service) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_EQ(adapter, adapter_.get());
   VLOG(2) << "GATT service discovery complete: " << service->GetIdentifier();
 
   DCHECK(service_id_to_device_address_.find(service->GetIdentifier()) !=
          service_id_to_device_address_.end());
 
   // Signal the service added event here.
   apibtle::Service api_service;
   PopulateService(service, &api_service);
 
   scoped_ptr<base::ListValue> args =
       apibtle::OnServiceAdded::Create(api_service);
-  scoped_ptr<Event> event(
-      new Event(apibtle::OnServiceAdded::kEventName, args.Pass()));
+  scoped_ptr<Event> event(new Event(
+      events::UNKNOWN, apibtle::OnServiceAdded::kEventName, args.Pass()));
   EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
 }
 
 void BluetoothLowEnergyEventRouter::GattServiceChanged(
     BluetoothAdapter* adapter,
     BluetoothGattService* service) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK_EQ(adapter, adapter_.get());
   VLOG(2) << "GATT service changed: " << service->GetIdentifier();
   DCHECK(service_id_to_device_address_.find(service->GetIdentifier()) !=
@@ skipping 251 matching lines @@
     // If |event_name| is "onCharacteristicValueChanged", then send the
     // event only if the extension has requested notifications from the
     // related characteristic.
     if (event_name == apibtle::OnCharacteristicValueChanged::kEventName &&
         !characteristic_id.empty() &&
         !FindNotifySession(extension_id, characteristic_id))
       continue;
 
     // Send the event.
     scoped_ptr<base::ListValue> args_copy(args->DeepCopy());
-    scoped_ptr<Event> event(new Event(event_name, args_copy.Pass()));
+    scoped_ptr<Event> event(
+        new Event(events::UNKNOWN, event_name, args_copy.Pass()));
     EventRouter::Get(browser_context_)->DispatchEventToExtension(
         extension_id, event.Pass());
   }
 }
 
 BluetoothGattService* BluetoothLowEnergyEventRouter::FindServiceById(
     const std::string& instance_id) const {
   InstanceIdMap::const_iterator iter =
       service_id_to_device_address_.find(instance_id);
   if (iter == service_id_to_device_address_.end()) {
@@ skipping 314 matching lines @@
       continue;
 
     manager->Remove(extension_id, *iter);
     return true;
   }
 
   return false;
 }
 
 }  // namespace extensions