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

Source/core/animation/AnimationEffectTest.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/animation/AnimationEffect.h"
 
 #include "core/animation/ComputedTimingProperties.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 class TestAnimationEffectEventDelegate : public AnimationEffect::EventDelegate {
 public:
     virtual void onEventCondition(const AnimationEffect& animationNode) override
     {
         m_eventTriggered = true;
 
     }
     virtual bool requiresIterationEvents(const AnimationEffect& animationNode) override
     {
@@ skipping 726 matching lines @@
     EXPECT_EQ(3.4, animationNode->takeLocalTime());
     EXPECT_TRUE(std::isinf(animationNode->takeTimeToNextIteration()));
 
     // Item has finished.
     animationNode->updateInheritedTime(3.5);
     EXPECT_EQ(AnimationEffect::PhaseAfter, animationNode->phase());
     EXPECT_EQ(3.5, animationNode->takeLocalTime());
     EXPECT_TRUE(std::isinf(animationNode->takeTimeToNextIteration()));
 }
 
-}
+} // namespace blink