Fix unit test style in core/{animation,css,fetch,frame,layout,style,timing}/.

Source/core/animation/animatable/AnimatableUnknownTest.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 15 matching lines @@
  * 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/animatable/AnimatableUnknown.h"
 
 #include "core/animation/animatable/AnimatableNeutral.h"
 #include "core/css/CSSValuePool.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 class AnimationAnimatableUnknownTest : public ::testing::Test {
 protected:
     virtual void SetUp()
     {
         cssValue = cssValuePool().createIdentifierValue(CSSValueYellow);
         animatableUnknown = AnimatableUnknown::create(cssValue);
 
         otherCSSValue = cssValuePool().createIdentifierValue(CSSValueOrange);
         otherAnimatableUnknown = AnimatableUnknown::create(otherCSSValue);
@@ skipping 23 matching lines @@
     EXPECT_EQ(otherCSSValue, toAnimatableUnknown(AnimatableValue::interpolate(animatableUnknown.get(), otherAnimatableUnknown.get(), 0.6).get())->toCSSValue());
     EXPECT_EQ(otherCSSValue, toAnimatableUnknown(AnimatableValue::interpolate(animatableUnknown.get(), otherAnimatableUnknown.get(), 1).get())->toCSSValue());
 
     EXPECT_EQ(otherCSSValue, toAnimatableUnknown(AnimatableValue::interpolate(otherAnimatableUnknown.get(), animatableUnknown.get(), 0).get())->toCSSValue());
     EXPECT_EQ(otherCSSValue, toAnimatableUnknown(AnimatableValue::interpolate(otherAnimatableUnknown.get(), animatableUnknown.get(), 0.4).get())->toCSSValue());
     EXPECT_EQ(cssValue, toAnimatableUnknown(AnimatableValue::interpolate(otherAnimatableUnknown.get(), animatableUnknown.get(), 0.5).get())->toCSSValue());
     EXPECT_EQ(cssValue, toAnimatableUnknown(AnimatableValue::interpolate(otherAnimatableUnknown.get(), animatableUnknown.get(), 0.6).get())->toCSSValue());
     EXPECT_EQ(cssValue, toAnimatableUnknown(AnimatableValue::interpolate(otherAnimatableUnknown.get(), animatableUnknown.get(), 1).get())->toCSSValue());
 }
 
-}
+} // namespace blink