Web Animations API: Remove literal defaults from TimingInput

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 "config.h"
 #include "core/animation/TimingInput.h"
 
 #include "bindings/v8/Dictionary.h"
 #include "core/css/parser/BisonCSSParser.h"
 #include "core/css/resolver/CSSToStyleMap.h"
@@ skipping 89 matching lines @@
     timing.timingFunction = Timing::defaults().timingFunction;
 }
 
 Timing TimingInput::convert(const Dictionary& timingInputDictionary)
 {
     Timing result;
 
     // FIXME: This method needs to be refactored to handle invalid
     // null, NaN, Infinity values better.
     // See: http://www.w3.org/TR/WebIDL/#es-double
-    double startDelay = 0;
+    double startDelay = Timing::defaults().startDelay;
     timingInputDictionary.get("delay", startDelay);
     setStartDelay(result, startDelay);
 
-    double endDelay = 0;
+    double endDelay = Timing::defaults().endDelay;
     timingInputDictionary.get("endDelay", endDelay);
     setEndDelay(result, endDelay);
 
     String fillMode;
     timingInputDictionary.get("fill", fillMode);
     setFillMode(result, fillMode);
 
-    double iterationStart = 0;
+    double iterationStart = Timing::defaults().iterationStart;
     timingInputDictionary.get("iterationStart", iterationStart);
     setIterationStart(result, iterationStart);
 
-    double iterationCount = 1;
+    double iterationCount = Timing::defaults().iterationCount;
     timingInputDictionary.get("iterations", iterationCount);
     setIterationCount(result, iterationCount);
 
     v8::Local<v8::Value> iterationDurationValue;
     if (timingInputDictionary.get("duration", iterationDurationValue)) {
         double iterationDuration = iterationDurationValue->NumberValue();
         setIterationDuration(result, iterationDuration);
     }
 
-    double playbackRate = 1;
+    double playbackRate = Timing::defaults().playbackRate;
     timingInputDictionary.get("playbackRate", playbackRate);
     setPlaybackRate(result, playbackRate);
 
     String direction;
     timingInputDictionary.get("direction", direction);
     setPlaybackDirection(result, direction);
 
     String timingFunctionString;
     timingInputDictionary.get("easing", timingFunctionString);
     setTimingFunction(result, timingFunctionString);
 
     result.assertValid();
 
     return result;
 }
 
 Timing TimingInput::convert(double duration)
 {
     Timing result;
     setIterationDuration(result, duration);
     return result;
 }
 
 } // namespace WebCore