Animation: Allow cubic-bezier timing inputs outside the range [0, 1] in CC

Source/core/animation/CompositorAnimationsTest.cpp

 /*
  * Copyright (c) 2013, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 481 matching lines @@
     m_keyframeAnimationEffect2 = AnimatableValueKeyframeEffectModel::create(*m_keyframeVector2);
 
     (*m_keyframeVector5)[3]->setEasing(m_cubicEaseTimingFunction.get());
     m_keyframeAnimationEffect5 = AnimatableValueKeyframeEffectModel::create(*m_keyframeVector5);
 
     m_timing.timingFunction = m_cubicEaseTimingFunction;
     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
 
     m_timing.timingFunction = m_cubicCustomTimingFunction;
-    EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
-    EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
+    EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
+    EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect5.get()));
 }
 
 TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorTimingFunctionChainedCubicMatchingOffsets)
 {
     (*m_keyframeVector2)[0]->setEasing(m_cubicEaseTimingFunction.get());
     m_keyframeAnimationEffect2 = AnimatableValueKeyframeEffectModel::create(*m_keyframeVector2);
     EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *m_keyframeAnimationEffect2.get()));
 
     (*m_keyframeVector2)[0]->setEasing(m_cubicCustomTimingFunction.get());
     m_keyframeAnimationEffect2 = AnimatableValueKeyframeEffectModel::create(*m_keyframeVector2);
@@ skipping 633 matching lines @@
 
     // Go!
     setCompositorForTesting(mockCompositor);
     Vector<OwnPtr<WebCompositorAnimation> > result;
     getAnimationOnCompositor(m_timing, *effect.get(), result);
     EXPECT_EQ(1U, result.size());
     result[0].clear();
 }
 
 } // namespace blink