Set up the infrastructure for Extension event metrics.

chrome/browser/extensions/api/image_writer_private/operation_manager.cc

 // Copyright 2013 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 "base/lazy_instance.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.h"
 #include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
@@ skipping 142 matching lines @@
                                   image_writer_api::Stage stage,
                                   int progress) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   image_writer_api::ProgressInfo info;
   info.stage = stage;
   info.percent_complete = progress;
 
   scoped_ptr<base::ListValue> args(
       image_writer_api::OnWriteProgress::Create(info));
-  scoped_ptr<Event> event(new Event(
-      image_writer_api::OnWriteProgress::kEventName, args.Pass()));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, image_writer_api::OnWriteProgress::kEventName,
+                args.Pass()));
 
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(extension_id, event.Pass());
 }
 
 void OperationManager::OnComplete(const ExtensionId& extension_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   scoped_ptr<base::ListValue> args(image_writer_api::OnWriteComplete::Create());
-  scoped_ptr<Event> event(new Event(
-      image_writer_api::OnWriteComplete::kEventName, args.Pass()));
+  scoped_ptr<Event> event(
+      new Event(events::UNKNOWN, image_writer_api::OnWriteComplete::kEventName,
+                args.Pass()));
 
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(extension_id, event.Pass());
 
   DeleteOperation(extension_id);
 }
 
 void OperationManager::OnError(const ExtensionId& extension_id,
                                image_writer_api::Stage stage,
                                int progress,
                                const std::string& error_message) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   image_writer_api::ProgressInfo info;
 
   DLOG(ERROR) << "ImageWriter error: " << error_message;
 
   info.stage = stage;
   info.percent_complete = progress;
 
   scoped_ptr<base::ListValue> args(
       image_writer_api::OnWriteError::Create(info, error_message));
-  scoped_ptr<Event> event(new Event(
-      image_writer_api::OnWriteError::kEventName, args.Pass()));
+  scoped_ptr<Event> event(new Event(events::UNKNOWN,
+                                    image_writer_api::OnWriteError::kEventName,
+                                    args.Pass()));
 
   EventRouter::Get(browser_context_)
       ->DispatchEventToExtension(extension_id, event.Pass());
 
   DeleteOperation(extension_id);
 }
 
 Operation* OperationManager::GetOperation(const ExtensionId& extension_id) {
   OperationMap::iterator existing_operation = operations_.find(extension_id);
 
@@ skipping 49 matching lines @@
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 BrowserContextKeyedAPIFactory<OperationManager>*
 OperationManager::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 
 }  // namespace image_writer
 }  // namespace extensions