[wip] interpolable value refactor. NOT FOR LANDING.

Source/core/animation/InterpolationEffect.cpp

Index: Source/core/animation/InterpolationEffect.cpp
diff --git a/Source/modules/crypto/AesCtrParams.cpp b/Source/core/animation/InterpolationEffect.cpp
similarity index 69%
copy from Source/modules/crypto/AesCtrParams.cpp
copy to Source/core/animation/InterpolationEffect.cpp
index 9c846cb2fdf891264bd8de0ce4f1302e5c8ec555..2b5bdea223ca78d0b9fff14ec779f7f88796d684 100644
--- a/Source/modules/crypto/AesCtrParams.cpp
+++ b/Source/core/animation/InterpolationEffect.cpp
@@ -29,31 +29,24 @@
  */
 
 #include "config.h"
-#include "modules/crypto/AesCtrParams.h"
-
-#include "public/platform/WebCryptoAlgorithmParams.h"
+#include "core/animation/InterpolationEffect.h"
 
 namespace WebCore {
 
-Uint8Array* AesCtrParams::counter()
+PassOwnPtr<Vector<RefPtr<Interpolation> > > InterpolationEffect::getActiveInterpolations(double fraction) const
 {
-    if (!m_counter) {
-        const blink::WebVector<unsigned char>& counter = m_algorithm.aesCtrParams()->counter();
-        m_counter = Uint8Array::create(counter.data(), counter.size());
+
+    Vector<RefPtr<Interpolation> >* result = new Vector<RefPtr<Interpolation> >();
+
+    for (size_t i = 0; i < m_interpolations.size(); ++i) {
+        if (fraction >= m_interpolations[i]->m_start && fraction <= m_interpolations[i]->m_end) {
+            RefPtr<Interpolation> interpolation = m_interpolations[i]->m_interpolation;
+            interpolation->interpolate(0, (fraction - m_interpolations[i]->m_start) / (m_interpolations[i]->m_end - m_interpolations[i]->m_start));
+            result->append(interpolation);
+        }
     }
-    return m_counter.get();
-}
 
-unsigned char AesCtrParams::length()
-{
-    return m_algorithm.aesCtrParams()->lengthBits();
+    return adoptPtr(result);
 }
 
-AesCtrParams::AesCtrParams(const blink::WebCryptoAlgorithm& algorithm)
-    : Algorithm(algorithm)
-{
-    ASSERT(algorithm.aesCtrParams());
-    ScriptWrappable::init(this);
 }
-
-} // namespace WebCore