Refactor chrome.alarms interface to support absolute alarm deadlines.

chrome/browser/extensions/extension_system.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/extension_system.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/string_tokenizer.h"
@@ skipping 249 matching lines @@
 
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(
       switches::kEnableExtensionTimelineApi)) {
     extension_devtools_manager_ = new ExtensionDevToolsManager(profile_);
   }
 
   shared_->InitInfoMap();
 
   extension_process_manager_.reset(ExtensionProcessManager::Create(profile_));
-  alarm_manager_.reset(new extensions::AlarmManager(profile_));
+  alarm_manager_.reset(new extensions::AlarmManager(profile_,
+                                                    &base::Time::Now));
 
   shared_->Init(extensions_enabled);
 }
 
 ExtensionService* ExtensionSystemImpl::extension_service() {
   return shared_->extension_service();
 }
 
 extensions::ManagementPolicy* ExtensionSystemImpl::management_policy() {
   return shared_->management_policy();
@@ skipping 56 matching lines @@
 }
 
 void ExtensionSystemImpl::UnregisterExtensionWithRequestContexts(
     const std::string& extension_id,
     const extension_misc::UnloadedExtensionReason reason) {
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ExtensionInfoMap::RemoveExtension, info_map(),
                  extension_id, reason));
 }