Web Animations API: Implement step-middle and steps(x, middle) timing functions.

Source/core/animation/CompositorAnimationsTimingFunctionReverserTest.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "core/animation/CompositorAnimations.h"
 
-#include "platform/animation/TimingFunctionTestHelper.h"
-
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
 // FIXME: Remove once https://codereview.chromium.org/50603011/ lands.
 #define EXPECT_REFV_EQ(a, b) EXPECT_EQ(*(a.get()), *(b.get()))
 #define EXPECT_REFV_NE(a, b) EXPECT_NE(*(a.get()), *(b.get()))
 
@@ skipping 30 matching lines @@
     RefPtr<TimingFunction> cubicCustomTiming = CubicBezierTimingFunction::create(0.17, 0.67, 1, -1.73);
     // Due to floating point, 1.0-(-1.73) != 2.73
     RefPtr<TimingFunction> cubicCustomTimingReversed = CubicBezierTimingFunction::create(0, 1.0 - (-1.73), 1.0 - 0.17, 1.0 - 0.67);
     EXPECT_REFV_EQ(cubicCustomTimingReversed, reverse(cubicCustomTiming));
 
     RefPtr<TimingFunction> cubicEaseTiming = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::Ease);
     RefPtr<TimingFunction> cubicEaseTimingReversed = CubicBezierTimingFunction::create(1.0 - 0.25, 0.0, 1.0 - 0.25, 1.0 - 0.1);
     EXPECT_REFV_EQ(cubicEaseTimingReversed, reverse(cubicEaseTiming));
 }
 
-TEST_F(AnimationCompositorAnimationsTimingFunctionReverserTest, ChainedReverse)
-{
-    RefPtr<TimingFunction> linearTiming = LinearTimingFunction::create();
-    RefPtr<ChainedTimingFunction> chainedLinearSingle = ChainedTimingFunction::create();
-    chainedLinearSingle->appendSegment(1.0, linearTiming.get());
-    EXPECT_REFV_EQ(chainedLinearSingle, reverse(chainedLinearSingle));
-
-    RefPtr<TimingFunction> cubicEaseInTiming = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn);
-    RefPtr<TimingFunction> cubicEaseOutTiming = CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseOut);
-
-    RefPtr<ChainedTimingFunction> chainedMixed = ChainedTimingFunction::create();
-    chainedMixed->appendSegment(0.75, chainedLinearSingle.get());
-    chainedMixed->appendSegment(1.0, cubicEaseInTiming.get());
-
-    RefPtr<ChainedTimingFunction> chainedMixedReversed = ChainedTimingFunction::create();
-    chainedMixedReversed->appendSegment(0.25, cubicEaseOutTiming.get());
-    chainedMixedReversed->appendSegment(1.0, chainedLinearSingle.get());
-    EXPECT_REFV_EQ(chainedMixedReversed, reverse(chainedMixed));
-}
-
 } // namespace