Remove dead code in SafeBrowsingDatabaseManager.

chrome/browser/safe_browsing/database_manager.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/safe_browsing/database_manager.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 612 matching lines @@
   }
 }
 
 void SafeBrowsingDatabaseManager::ResetDatabase() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   DCHECK(enabled_);
   safe_browsing_thread_->message_loop()->PostTask(FROM_HERE, base::Bind(
       &SafeBrowsingDatabaseManager::OnResetDatabase, this));
 }
 
-void SafeBrowsingDatabaseManager::LogPauseDelay(base::TimeDelta time) {
-  UMA_HISTOGRAM_LONG_TIMES("SB2.Delay", time);
-}
-
 void SafeBrowsingDatabaseManager::StartOnIOThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (enabled_)
     return;
 
   DCHECK(!safe_browsing_thread_.get());
   safe_browsing_thread_.reset(new base::Thread("Chrome_SafeBrowsingThread"));
   if (!safe_browsing_thread_->Start())
     return;
   enabled_ = true;
@@ skipping 507 matching lines @@
       new base::WeakPtrFactory<SafeBrowsingDatabaseManager>(this));
   checks_.insert(check);
 
   safe_browsing_thread_->message_loop()->PostTask(FROM_HERE, task);
 
   base::MessageLoop::current()->PostDelayedTask(FROM_HERE,
       base::Bind(&SafeBrowsingDatabaseManager::TimeoutCallback,
                  check->timeout_factory_->GetWeakPtr(), check),
       check_timeout_);
 }