Add use counters for function values of easing

third_party/WebKit/Source/core/animation/TimingInput.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 "core/animation/TimingInput.h"
 
 #include "core/animation/AnimationInputHelpers.h"
 #include "core/animation/KeyframeEffectOptions.h"
 
 namespace blink {
@@ skipping 67 matching lines @@
         timing.direction = Timing::PlaybackDirectionReverse;
     } else if (direction == "alternate") {
         timing.direction = Timing::PlaybackDirectionAlternate;
     } else if (direction == "alternate-reverse") {
         timing.direction = Timing::PlaybackDirectionAlternateReverse;
     } else {
         timing.direction = Timing::defaults().direction;
     }
 }
 
-void TimingInput::setTimingFunction(Timing& timing, const String& timingFunctionString)
+void TimingInput::setTimingFunction(Timing& timing, const String& timingFunctionString, Document* document)
 {
-    if (RefPtr<TimingFunction> timingFunction = AnimationInputHelpers::parseTimingFunction(timingFunctionString))
+    if (RefPtr<TimingFunction> timingFunction = AnimationInputHelpers::parseTimingFunction(timingFunctionString, document))
         timing.timingFunction = timingFunction;
     else
         timing.timingFunction = Timing::defaults().timingFunction;
 }
 
-Timing TimingInput::convert(const KeyframeEffectOptions& timingInput)
+Timing TimingInput::convert(const KeyframeEffectOptions& timingInput, Document* document)
 {
     Timing result;
 
     setStartDelay(result, timingInput.delay());
     setEndDelay(result, timingInput.endDelay());
     setFillMode(result, timingInput.fill());
     setIterationStart(result, timingInput.iterationStart());
     setIterationCount(result, timingInput.iterations());
     if (timingInput.duration().isUnrestrictedDouble())
         setIterationDuration(result, timingInput.duration().getAsUnrestrictedDouble());
     else
         setIterationDuration(result, -1);
     setPlaybackRate(result, timingInput.playbackRate());
     setPlaybackDirection(result, timingInput.direction());
-    setTimingFunction(result, timingInput.easing());
+    setTimingFunction(result, timingInput.easing(), document);
 
     result.assertValid();
 
     return result;
 }
 
 Timing TimingInput::convert(double duration)
 {
     Timing result;
     setIterationDuration(result, duration);
     return result;
 }
 
 } // namespace blink