Kills TraceTicks, which was functionally the same as TimeTicks

content/browser/tracing/etw_system_event_consumer_win.cc

 // Copyright 2014 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 "content/browser/tracing/etw_system_event_consumer_win.h"
 
 #include "base/base64.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/lazy_instance.h"
 #include "base/memory/singleton.h"
@@ skipping 122 matching lines @@
 }
 
 // static
 void EtwSystemEventConsumer::ProcessEvent(EVENT_TRACE* event) {
   EtwSystemEventConsumer::GetInstance()->AppendEventToBuffer(event);
 }
 
 void EtwSystemEventConsumer::AddSyncEventToBuffer() {
   // Sync the clocks.
   base::Time walltime = base::Time::NowFromSystemTime();
-  base::TraceTicks now = base::TraceTicks::Now();
+  base::TimeTicks now = base::TimeTicks::Now();
 
   LARGE_INTEGER walltime_in_us;
   walltime_in_us.QuadPart = walltime.ToInternalValue();
   LARGE_INTEGER now_in_us;
   now_in_us.QuadPart = now.ToInternalValue();
 
   // Add fields to the event.
   scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
   value->Set("guid", new base::StringValue("ClockSync"));
   value->Set("walltime", new base::StringValue(
@@ skipping 69 matching lines @@
   serializer.Serialize(*header.get());
 
   // Pass the result to the UI Thread.
   scoped_refptr<base::RefCountedString> result =
       base::RefCountedString::TakeString(&output);
   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
                           base::Bind(callback, result));
 }
 
 }  // namespace content