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

Source/core/style/ComputedStyleTest.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/ComputedStyle.h"
 
 #include "core/layout/ClipPathOperation.h"
 #include "core/style/ShapeValue.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 TEST(ComputedStyleTest, ShapeOutsideBoxEqual)
 {
     RefPtr<ShapeValue> shape1 = ShapeValue::createBoxShapeValue(ContentBox);
     RefPtr<ShapeValue> shape2 = ShapeValue::createBoxShapeValue(ContentBox);
     RefPtr<ComputedStyle> style1 = ComputedStyle::create();
     RefPtr<ComputedStyle> style2 = ComputedStyle::create();
     style1->setShapeOutside(shape1);
     style2->setShapeOutside(shape2);
     ASSERT_EQ(*style1, *style2);
@@ skipping 17 matching lines @@
     RefPtr<BasicShapeCircle> shape = BasicShapeCircle::create();
     RefPtr<ShapeClipPathOperation> path1 = ShapeClipPathOperation::create(shape);
     RefPtr<ShapeClipPathOperation> path2 = ShapeClipPathOperation::create(shape);
     RefPtr<ComputedStyle> style1 = ComputedStyle::create();
     RefPtr<ComputedStyle> style2 = ComputedStyle::create();
     style1->setClipPath(path1);
     style2->setClipPath(path2);
     ASSERT_EQ(*style1, *style2);
 }
 
-}
+} // namespace blink