Move Animatable* hierarchy into new folder.

Source/core/animation/animatable/AnimatableDoubleTest.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 11 matching lines @@
  * 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.
  */
 
 #include "config.h"
-#include "core/animation/AnimatableDouble.h"
+#include "core/animation/animatable/AnimatableDouble.h"
 
 #include <gtest/gtest.h>
 
 using namespace WebCore;
 
 namespace {
 
 TEST(AnimationAnimatableDoubleTest, Create)
 {
     EXPECT_TRUE(static_cast<bool>(AnimatableDouble::create(5).get()));
@@ skipping 31 matching lines @@
     RefPtrWillBeRawPtr<AnimatableDouble> first = AnimatableDouble::create(-1.5);
     RefPtrWillBeRawPtr<AnimatableDouble> second = AnimatableDouble::create(2.25);
     RefPtrWillBeRawPtr<AnimatableDouble> third = AnimatableDouble::create(3);
 
     EXPECT_DOUBLE_EQ(3.75, AnimatableValue::distance(first.get(), second.get()));
     EXPECT_DOUBLE_EQ(0.75, AnimatableValue::distance(second.get(), third.get()));
     EXPECT_DOUBLE_EQ(4.5, AnimatableValue::distance(third.get(), first.get()));
 }
 
 }