Remove current implementation of frame timing events.

third_party/WebKit/Source/core/frame/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 33 matching lines @@
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 #include "platform/Histogram.h"
 #include "platform/UserGestureIndicator.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
-namespace {
-
-int64_t generateFrameID()
-{
-    // Initialize to the current time to reduce the likelihood of generating
-    // identifiers that overlap with those from past/future browser sessions.
-    static int64_t next = static_cast<int64_t>(currentTime() * 1000000.0);
-    return ++next;
-}
-
-} // namespace
-
 Frame::~Frame()
 {
     InstanceCounters::decrementCounter(InstanceCounters::FrameCounter);
     ASSERT(!m_owner);
 }
 
 DEFINE_TRACE(Frame)
 {
     visitor->trace(m_treeNode);
     visitor->trace(m_host);
@@ skipping 222 matching lines @@
     if (m_host)
         return &m_host->settings();
     return nullptr;
 }
 
 Frame::Frame(FrameClient* client, FrameHost* host, FrameOwner* owner)
     : m_treeNode(this)
     , m_host(host)
     , m_owner(owner)
     , m_client(client)
-    , m_frameID(generateFrameID())
     , m_isLoading(false)
 {
     InstanceCounters::incrementCounter(InstanceCounters::FrameCounter);
 
     ASSERT(page());
 
     if (m_owner)
         m_owner->setContentFrame(*this);
     else
         page()->setMainFrame(this);
 }
 
 } // namespace blink