Set up the infrastructure for Extension event metrics.

chrome/browser/chromeos/file_manager/file_browser_handlers.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/chromeos/file_manager/file_browser_handlers.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/bind.h"
@@ skipping 391 matching lines @@
        ++iter) {
     base::DictionaryValue* file_def = new base::DictionaryValue();
     file_entries->Append(file_def);
     file_def->SetString("fileSystemName", iter->file_system_name);
     file_def->SetString("fileSystemRoot", iter->file_system_root_url);
     file_def->SetString("fileFullPath",
                         "/" + iter->full_path.AsUTF8Unsafe());
     file_def->SetBoolean("fileIsDirectory", iter->is_directory);
   }
 
-  scoped_ptr<extensions::Event> event(new extensions::Event(
-      "fileBrowserHandler.onExecute", event_args.Pass()));
+  scoped_ptr<extensions::Event> event(
+      new extensions::Event(extensions::events::UNKNOWN,
+                            "fileBrowserHandler.onExecute", event_args.Pass()));
   event->restrict_to_browser_context = profile_;
   router->DispatchEventToExtension(extension_->id(), event.Pass());
 
   ExecuteDoneOnUIThread(true);
 }
 
 void FileBrowserHandlerExecutor::SetupHandlerHostFileAccessPermissions(
     FileDefinitionList* file_definition_list,
     const Extension* extension,
     int handler_pid) {
@@ skipping 104 matching lines @@
       if (common_handlers.empty())
         return FileBrowserHandlerList();
     }
   }
 
   return common_handlers;
 }
 
 }  // namespace file_browser_handlers
 }  // namespace file_manager