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

Source/core/css/CSSCalculationValueTest.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 30 matching lines @@
 
 
 namespace blink {
 
 void PrintTo(const CSSLengthArray& lengthArray, ::std::ostream* os)
 {
     for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; ++i)
         *os << lengthArray.at(i) << ' ';
 }
 
-}
-
-using namespace blink;
-
 namespace {
 
 void testAccumulatePixelsAndPercent(const CSSToLengthConversionData& conversionData, PassRefPtrWillBeRawPtr<CSSCalcExpressionNode> expression, float expectedPixels, float expectedPercent)
 {
     PixelsAndPercent value(0, 0);
     expression->accumulatePixelsAndPercent(conversionData, value);
     EXPECT_EQ(expectedPixels, value.pixels);
     EXPECT_EQ(expectedPercent, value.percent);
 }
 
@@ skipping 123 matching lines @@
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 90;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = 10;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc(1in + 10% - 6px)")));
 
     expectation.at(CSSPrimitiveValue::UnitTypePixels) = 15;
     expectation.at(CSSPrimitiveValue::UnitTypeFontSize) = 20;
     expectation.at(CSSPrimitiveValue::UnitTypePercentage) = -40;
     EXPECT_TRUE(lengthArraysEqual(expectation, setLengthArray(actual, "calc((1 * 2) * (5px + 20em / 2) - 80% / (3 - 1) + 5px)")));
 }
 
-}
+} // anonymous namespace
+
+} // namespace blink