Set up the infrastructure for Extension event metrics.

chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_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 "chrome/browser/extensions/api/bookmark_manager_private/bookmark_manager_private_api.h"
 
 #include <vector>
 
 #include "base/lazy_instance.h"
 #include "base/memory/linked_ptr.h"
@@ skipping 168 matching lines @@
 }
 
 BookmarkManagerPrivateEventRouter::~BookmarkManagerPrivateEventRouter() {
   if (bookmark_model_)
     bookmark_model_->RemoveObserver(this);
 }
 
 void BookmarkManagerPrivateEventRouter::DispatchEvent(
     const std::string& event_name,
     scoped_ptr<base::ListValue> event_args) {
-  extensions::EventRouter::Get(browser_context_)->BroadcastEvent(
-      make_scoped_ptr(new extensions::Event(event_name, event_args.Pass())));
+  extensions::EventRouter::Get(browser_context_)
+      ->BroadcastEvent(make_scoped_ptr(new extensions::Event(
+          extensions::events::UNKNOWN, event_name, event_args.Pass())));
 }
 
 void BookmarkManagerPrivateEventRouter::BookmarkModelChanged() {}
 
 void BookmarkManagerPrivateEventRouter::BookmarkModelBeingDeleted(
     BookmarkModel* model) {
   bookmark_model_ = NULL;
 }
 
 void BookmarkManagerPrivateEventRouter::OnWillChangeBookmarkMetaInfo(
@@ skipping 95 matching lines @@
     bookmark_tab_helper->set_bookmark_drag_delegate(NULL);
 }
 
 void BookmarkManagerPrivateDragEventRouter::DispatchEvent(
     const std::string& event_name,
     scoped_ptr<base::ListValue> args) {
   EventRouter* event_router = EventRouter::Get(profile_);
   if (!event_router)
     return;
 
-  scoped_ptr<Event> event(new Event(event_name, args.Pass()));
+  scoped_ptr<Event> event(new Event(events::UNKNOWN, event_name, args.Pass()));
   event_router->BroadcastEvent(event.Pass());
 }
 
 void BookmarkManagerPrivateDragEventRouter::OnDragEnter(
     const BookmarkNodeData& data) {
   if (!data.is_valid())
     return;
   DispatchEvent(bookmark_manager_private::OnDragEnter::kEventName,
                 bookmark_manager_private::OnDragEnter::Create(
                     *CreateApiBookmarkNodeData(profile_, data)));
@@ skipping 533 matching lines @@
 
   enhanced_bookmarks::EnhancedBookmarkModel* model =
       enhanced_bookmarks::EnhancedBookmarkModelFactory::GetForBrowserContext(
           browser_context());
   model->SetVersionSuffix(params->version);
 
   return true;
 }
 
 }  // namespace extensions