Set up the infrastructure for Extension event metrics.

extensions/browser/api/management/management_api.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/management/management_api.h"
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 852 matching lines @@
   scoped_ptr<base::ListValue> args(new base::ListValue());
   if (event_name == management::OnUninstalled::kEventName) {
     args->Append(new base::StringValue(extension->id()));
   } else {
     scoped_ptr<management::ExtensionInfo> info =
         CreateExtensionInfo(*extension, browser_context_);
     args->Append(info->ToValue().release());
   }
 
   EventRouter::Get(browser_context_)
-      ->BroadcastEvent(scoped_ptr<Event>(new Event(event_name, args.Pass())));
+      ->BroadcastEvent(scoped_ptr<Event>(
+          new Event(events::UNKNOWN, event_name, args.Pass())));
 }
 
 ManagementAPI::ManagementAPI(content::BrowserContext* context)
     : browser_context_(context),
       delegate_(ExtensionsAPIClient::Get()->CreateManagementAPIDelegate()) {
   EventRouter* event_router = EventRouter::Get(browser_context_);
   event_router->RegisterObserver(this, management::OnInstalled::kEventName);
   event_router->RegisterObserver(this, management::OnUninstalled::kEventName);
   event_router->RegisterObserver(this, management::OnEnabled::kEventName);
   event_router->RegisterObserver(this, management::OnDisabled::kEventName);
@@ skipping 14 matching lines @@
 ManagementAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 void ManagementAPI::OnListenerAdded(const EventListenerInfo& details) {
   management_event_router_.reset(new ManagementEventRouter(browser_context_));
   EventRouter::Get(browser_context_)->UnregisterObserver(this);
 }
 
 }  // namespace extensions