Web Animations: Extract an API for servicing animations

Source/core/animation/Animation.cpp

Index: Source/core/animation/Animation.cpp
diff --git a/Source/core/animation/Animation.cpp b/Source/core/animation/Animation.cpp
index fe4fb13c5b4b13f9d08faf348c8fdb7b42229ef3..a0c3904be8f622e7bb10a1fa02bcf8a5704bfa0a 100644
--- a/Source/core/animation/Animation.cpp
+++ b/Source/core/animation/Animation.cpp
@@ -181,9 +181,8 @@ void Animation::cancelAnimationOnCompositor()
         return;
     if (!m_target || !m_target->renderer())
         return;
-    for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i) {
+    for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i)
         CompositorAnimations::instance()->cancelAnimationOnCompositor(*m_target.get(), m_compositorAnimationIds[i]);
-    }
     m_compositorAnimationIds.clear();
 }