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

Source/core/style/SVGComputedStyleTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/style/SVGComputedStyle.h"
 
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 // Ensures RefPtr values are compared by their values, not by pointers.
 #define TEST_STYLE_REFPTR_VALUE_NO_DIFF(type, fieldName) \
     { \
         RefPtr<SVGComputedStyle> svg1 = SVGComputedStyle::create(); \
         RefPtr<SVGComputedStyle> svg2 = SVGComputedStyle::create(); \
         RefPtr<type> value1 = type::create(); \
         RefPtr<type> value2 = value1->copy(); \
         svg1->set##fieldName(value1); \
         svg2->set##fieldName(value2); \
@@ skipping 37 matching lines @@
 }
 
 TEST(SVGComputedStyleTest, MiscStyleShouldCompareValue)
 {
     TEST_STYLE_VALUE_NO_DIFF(Color, FloodColor);
     TEST_STYLE_VALUE_NO_DIFF(float, FloodOpacity);
     TEST_STYLE_VALUE_NO_DIFF(Color, LightingColor);
     TEST_STYLE_VALUE_NO_DIFF(Length, BaselineShiftValue);
 }
 
-}
+} // namespace blink