| Index: Source/core/core.gypi | 
| diff --git a/Source/core/core.gypi b/Source/core/core.gypi | 
| index 193a0a5a8cb578245369ebb467d86dc5d7b6aa93..4f6afbd9d0dbc5f99081cc6a27af2f722fe89d52 100644 | 
| --- a/Source/core/core.gypi | 
| +++ b/Source/core/core.gypi | 
| @@ -570,6 +570,8 @@ | 
| 'animation/AnimatableUnknown.h', | 
| 'animation/AnimatableValue.cpp', | 
| 'animation/AnimatableValue.h', | 
| +            'animation/AnimatableValueKeyframe.cpp', | 
| +            'animation/AnimatableValueKeyframe.h', | 
| 'animation/AnimatableVisibility.cpp', | 
| 'animation/AnimatableVisibility.h', | 
| 'animation/Animation.cpp', | 
| @@ -578,6 +580,8 @@ | 
| 'animation/AnimationClock.h', | 
| 'animation/AnimationEffect.h', | 
| 'animation/AnimationHelpers.h', | 
| +            'animation/AnimationPlayer.cpp', | 
| +            'animation/AnimationPlayer.h', | 
| 'animation/AnimationStack.cpp', | 
| 'animation/AnimationStack.h', | 
| 'animation/AnimationTranslationUtil.cpp', | 
| @@ -603,8 +607,8 @@ | 
| 'animation/InterpolationEffect.h', | 
| 'animation/KeyframeEffectModel.cpp', | 
| 'animation/KeyframeEffectModel.h', | 
| -            'animation/AnimationPlayer.cpp', | 
| -            'animation/AnimationPlayer.h', | 
| +            'animation/StringKeyframe.cp', | 
| +            'animation/StringKeyframe.h', | 
| 'animation/TimedItem.cpp', | 
| 'animation/TimedItem.h', | 
| 'animation/TimedItemCalculations.h', | 
|  |