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

Source/core/css/CSSCalculationValueTest.cpp

Index: Source/core/css/CSSCalculationValueTest.cpp
diff --git a/Source/core/css/CSSCalculationValueTest.cpp b/Source/core/css/CSSCalculationValueTest.cpp
index f0e6b33c6240202d296d97ca0bc3ebdabef93239..de718859d1d58cb4d5ba70fd3f88999e4cff131b 100644
--- a/Source/core/css/CSSCalculationValueTest.cpp
+++ b/Source/core/css/CSSCalculationValueTest.cpp
@@ -48,10 +48,6 @@ void PrintTo(const CSSLengthArray& lengthArray, ::std::ostream* os)
         *os << lengthArray.at(i) << ' ';
 }
 
-}
-
-using namespace blink;
-
 namespace {
 
 void testAccumulatePixelsAndPercent(const CSSToLengthConversionData& conversionData, PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> expression, float expectedPixels, float expectedPercent)
@@ -195,4 +191,6 @@ TEST(CSSCalculationValue, AddToLengthUnitValues)
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc((1 * 2) * (5px + 20em / 2) - 80% / (3 - 1) + 5px)")));
 }
 
-}
+} // anonymous namespace
+
+} // namespace blink