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

Source/core/css/AffectedByFocusTest.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/HTMLNames.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/NodeComputedStyle.h"
 #include "core/dom/StyleEngine.h"
 #include "core/frame/FrameView.h"
 #include "core/html/HTMLDocument.h"
 #include "core/html/HTMLElement.h"
 #include "core/testing/DummyPageHolder.h"
 #include <gtest/gtest.h>
 
-using namespace blink;
+namespace blink {
+
 using namespace HTMLNames;
 
-namespace {
-
 class AffectedByFocusTest : public ::testing::Test {
-
 protected:
-
     struct ElementResult {
         const blink::HTMLQualifiedName tag;
         bool affectedBy;
         bool childrenOrSiblingsAffectedBy;
     };
 
-    virtual void SetUp() override;
+    void SetUp() override;
 
     HTMLDocument& document() const { return *m_document; }
 
     void setHtmlInnerHTML(const char* htmlContent);
 
     void checkElements(ElementResult expected[], unsigned expectedCount) const;
 
 private:
     OwnPtr<DummyPageHolder> m_dummyPageHolder;
 
@@ skipping 264 matching lines @@
     unsigned startCount = document().styleEngine().resolverAccessCount();
 
     document().getElementById("d")->focus();
     document().view()->updateLayoutAndStyleForPainting();
 
     unsigned accessCount = document().styleEngine().resolverAccessCount() - startCount;
 
     ASSERT_EQ(1U, accessCount);
 }
 
-} // namespace
+} // namespace blink