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

Source/platform/animation/TimingFunctionTestHelper.h

Index: Source/platform/animation/TimingFunctionTestHelper.h
diff --git a/Source/platform/animation/TimingFunctionTestHelper.h b/Source/platform/animation/TimingFunctionTestHelper.h
deleted file mode 100644
index a90df5f139f3501b1c9895fb52a0783c898e679d..0000000000000000000000000000000000000000
--- a/Source/platform/animation/TimingFunctionTestHelper.h
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-/*
- * 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * 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.
- */
-
-/**
- * Make testing with gtest and gmock nicer by adding pretty print and other
- * helper functions.
- */
-
-#ifndef TimingFunctionTestHelper_h
-#define TimingFunctionTestHelper_h
-
-#include "platform/animation/TimingFunction.h"
-
-#include <ostream> // NOLINT
-
-namespace WebCore {
-
-void PrintTo(const TimingFunction&, ::std::ostream*);
-
-// operator== functions
-bool operator==(const LinearTimingFunction&, const TimingFunction&);
-bool operator==(const CubicBezierTimingFunction&, const TimingFunction&);
-bool operator==(const StepsTimingFunction&, const TimingFunction&);
-bool operator==(const ChainedTimingFunction&, const TimingFunction&);
-
-bool operator==(const TimingFunction&, const TimingFunction&);
-bool operator!=(const TimingFunction&, const TimingFunction&);
-
-} // namespace WebCore
-
-#endif