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

Source/core/fetch/CachingCorrectnessTest.cpp

 /*
  * Copyright (c) 2014, 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 22 matching lines @@
 #include "core/fetch/FetchContext.h"
 #include "core/fetch/ImageResource.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/Resource.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/ResourcePtr.h"
 #include "platform/network/ResourceRequest.h"
 #include "public/platform/Platform.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefPtr.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 // An URL for the original request.
 const char kResourceURL[] = "http://resource.com/";
 
 // The origin time of our first request.
 const char kOriginalRequestDateAsString[] = "Thu, 25 May 1977 18:30:00 GMT";
 const double kOriginalRequestDateAsDouble = 233433000.;
 
 const char kOneDayBeforeOriginalRequest[] = "Wed, 24 May 1977 18:30:00 GMT";
 const char kOneDayAfterOriginalRequest[] = "Fri, 26 May 1977 18:30:00 GMT";
@@ skipping 516 matching lines @@
 
     firstResource->setResponse(fresh200Response);
     memoryCache()->add(firstResource.get());
 
     advanceClock(500.);
 
     ResourcePtr<Resource> fetched = fetch();
     EXPECT_EQ(firstResource, fetched);
 }
 
-} // namespace
+} // namespace blink