Removed incorrect StyleInvalidator FIXME.

Source/core/css/invalidation/StyleInvalidator.cpp

 
 // 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 "config.h"
 
 #include "core/css/invalidation/StyleInvalidator.h"
 
 #include "core/css/invalidation/DescendantInvalidationSet.h"
@@ skipping 111 matching lines @@
 ALWAYS_INLINE bool StyleInvalidator::checkInvalidationSetsAgainstElement(Element& element, StyleInvalidator::RecursionData& recursionData)
 {
     if (element.styleChangeType() >= SubtreeStyleChange || recursionData.wholeSubtreeInvalid()) {
         recursionData.setWholeSubtreeInvalid();
         return false;
     }
     if (element.needsStyleInvalidation()) {
         if (InvalidationList* invalidationList = m_pendingInvalidationMap.get(&element)) {
             for (const auto& invalidationSet : *invalidationList)
                 recursionData.pushInvalidationSet(*invalidationSet);
-            // FIXME: It's really only necessary to clone the render style for this element, not full style recalc.
             if (UNLIKELY(*s_tracingEnabled)) {
                 TRACE_EVENT_INSTANT1(TRACE_DISABLED_BY_DEFAULT("devtools.timeline.invalidationTracking"),
                     "StyleInvalidatorInvalidationTracking",
                     "data", InspectorStyleInvalidatorInvalidateEvent::invalidationList(element, *invalidationList));
             }
             return true;
         }
     }
 
     return recursionData.matchesCurrentInvalidationSets(element);
@@ skipping 51 matching lines @@
 }
 
 void StyleInvalidator::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)
     visitor->trace(m_pendingInvalidationMap);
 #endif
 }
 
 } // namespace blink