Add tracing for LayoutView::commitPendingSelection

third_party/WebKit/Source/core/layout/LayoutView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 797 matching lines @@
   DisableCompositingQueryAsserts disabler;
 
   setSelection(0, -1, 0, -1, PaintInvalidationNewMinusOld);
 }
 
 bool LayoutView::hasPendingSelection() const {
   return m_frameView->frame().selection().isAppearanceDirty();
 }
 
 void LayoutView::commitPendingSelection() {
+  TRACE_EVENT0("blink", "LayoutView::commitPendingSelection");
   m_frameView->frame().selection().commitAppearanceIfNeeded(*this);
 }
 
 LayoutObject* LayoutView::selectionStart() {
   commitPendingSelection();
   return m_selectionStart;
 }
 
 LayoutObject* LayoutView::selectionEnd() {
   commitPendingSelection();
@@ skipping 210 matching lines @@
   if (block)
     block->adjustChildDebugRect(rect);
 
   rect.setWidth(LayoutUnit(viewWidth(IncludeScrollbars)));
   rect.setHeight(LayoutUnit(viewHeight(IncludeScrollbars)));
 
   return rect;
 }
 
 }  // namespace blink