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

Source/core/animation/KeyframeEffectModelTest.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 20 matching lines @@
 #include "config.h"
 #include "core/animation/KeyframeEffectModel.h"
 
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/animatable/AnimatableLength.h"
 #include "core/animation/animatable/AnimatableUnknown.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/dom/Element.h"
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 const double duration = 1.0;
 
 PassRefPtrWillBeRawPtr<AnimatableValue> unknownAnimatableValue(double n)
 {
     return AnimatableUnknown::create(CSSPrimitiveValue::create(n, CSSPrimitiveValue::CSS_UNKNOWN).get());
 }
 
 PassRefPtrWillBeRawPtr<AnimatableValue> pixelAnimatableValue(double n)
 {
@@ skipping 512 matching lines @@
     EXPECT_DOUBLE_EQ(0.6, result[5]->offset());
     EXPECT_DOUBLE_EQ(0.7, result[6]->offset());
     EXPECT_DOUBLE_EQ(0.8, result[7]->offset());
     EXPECT_DOUBLE_EQ(0.85, result[8]->offset());
     EXPECT_DOUBLE_EQ(0.9, result[9]->offset());
     EXPECT_DOUBLE_EQ(0.95, result[10]->offset());
     EXPECT_DOUBLE_EQ(1.0, result[11]->offset());
 }
 
 } // namespace blink