Re-use CSSParser logic to parse keyframe keys

Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 726 matching lines @@
     const Vector<RefPtr<StyleKeyframe> >& keyframes = keyframesRule->keyframes();
     for (unsigned i = 0; i < keyframes.size(); ++i) {
         // Apply the declaration to the style. This is a simplified version of the logic in styleForElement
         const StyleKeyframe* keyframe = keyframes[i].get();
 
         KeyframeValue keyframeValue(0, 0);
         keyframeValue.setStyle(styleForKeyframe(e, elementStyle, keyframe));
         keyframeValue.addProperties(keyframe->properties());
 
         // Add this keyframe style to all the indicated key times
-        Vector<double> keys;
-        keyframe->getKeys(keys);
+        const Vector<double>& keys = keyframe->keys();
         for (size_t keyIndex = 0; keyIndex < keys.size(); ++keyIndex) {
             keyframeValue.setKey(keys[keyIndex]);
             list.insert(keyframeValue);
         }
     }
 
     // If the 0% keyframe is missing, create it (but only if there is at least one other keyframe)
     int initialListSize = list.size();
     if (initialListSize > 0 && list[0].key()) {
         static StyleKeyframe* zeroPercentKeyframe;
@@ skipping 26 matching lines @@
     ASSERT(RuntimeEnabledFeatures::webAnimationsCSSEnabled());
     const StyleRuleKeyframes* keyframesRule = matchScopedKeyframesRule(element, name);
     if (!keyframesRule)
         return;
 
     // Construct and populate the style for each keyframe
     const Vector<RefPtr<StyleKeyframe> >& styleKeyframes = keyframesRule->keyframes();
     for (size_t i = 0; i < styleKeyframes.size(); ++i) {
         const StyleKeyframe* styleKeyframe = styleKeyframes[i].get();
         RefPtr<RenderStyle> keyframeStyle = styleForKeyframe(0, style, styleKeyframe);
-        Vector<double> offsets;
-        styleKeyframe->getKeys(offsets);
+        const Vector<double>& offsets = styleKeyframe->keys();
         RefPtr<Keyframe> firstOffsetKeyframe;
         for (size_t j = 0; j < offsets.size(); ++j) {
             RefPtr<Keyframe> keyframe = Keyframe::create();
             keyframe->setOffset(offsets[j]);
             const StylePropertySet* properties = styleKeyframe->properties();
             for (unsigned k = 0; k < properties->propertyCount(); k++) {
                 CSSPropertyID property = properties->propertyAt(k).id();
                 // FIXME: Build the correct chained timing function when this property is specified.
                 if (property == CSSPropertyWebkitAnimationTimingFunction || property == CSSPropertyAnimationTimingFunction)
                     continue;
@@ skipping 706 matching lines @@
         m_matchedPropertiesSearches, m_matchedPropertiesHit, m_matchedPropertiesSharedInheritedHit, m_matchedPropertiesToCache, m_matchedPropertiesEnteredIntoCache);
 
     fprintf(stderr, "Total:\n");
     printStyleStats(m_totalSearches, m_totalElementsEligibleForSharing, m_totalStylesShared, m_totalSearchFoundSiblingForSharing, m_totalSearchesMissedSharing,
         m_totalMatchedPropertiesSearches, m_totalMatchedPropertiesHit, m_totalMatchedPropertiesSharedInheritedHit, m_totalMatchedPropertiesToCache, m_totalMatchedPropertiesEnteredIntoCache);
     fprintf(stderr, "--------------------------------------------------------------------------------\n");
 }
 #endif
 
 } // namespace WebCore