Fix unit test style in core/{dom,editing,html}/.

Source/core/editing/iterators/TextIteratorTest.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 33 matching lines @@
 #include "platform/geometry/IntSize.h"
 #include "wtf/Compiler.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/testing/WTFTestHelpers.h"
 #include <gtest/gtest.h>
 #include <string>
 
-using namespace blink;
-
-namespace {
+namespace blink {
 
 struct DOMTree : NodeTraversal {
     using PositionType = Position;
     using TextIteratorType = TextIterator;
 };
 
 struct ComposedTree : ComposedTreeTraversal {
     using PositionType = PositionInComposedTree;
     using TextIteratorType = TextIteratorInComposedTree;
 };
 
 class TextIteratorTest : public ::testing::Test {
 protected:
-    virtual void SetUp() override;
+    void SetUp() override;
 
     HTMLDocument& document() const { return *m_document; }
 
     template <typename Tree>
     std::string iterate(TextIteratorBehavior = TextIteratorDefaultBehavior);
 
     template <typename Tree>
     std::string iteratePartial(const typename Tree::PositionType& start, const typename Tree::PositionType& end, TextIteratorBehavior = TextIteratorDefaultBehavior);
 
     void setBodyInnerHTML(const char*);
@@ skipping 51 matching lines @@
     document().body()->setInnerHTML(String::fromUTF8(bodyContent), ASSERT_NO_EXCEPTION);
 }
 
 PassRefPtrWillBeRawPtr<Range> TextIteratorTest::getBodyRange() const
 {
     RefPtrWillBeRawPtr<Range> range(Range::create(document()));
     range->selectNode(document().body());
     return range.release();
 }
 
-PassRefPtrWillBeRawPtr<ShadowRoot> createShadowRootForElementWithIDAndSetInnerHTML(TreeScope& scope, const char* hostElementID, const char* shadowRootContent)
+static PassRefPtrWillBeRawPtr<ShadowRoot> createShadowRootForElementWithIDAndSetInnerHTML(TreeScope& scope, const char* hostElementID, const char* shadowRootContent)
 {
     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = scope.getElementById(AtomicString::fromUTF8(hostElementID))->createShadowRoot(ASSERT_NO_EXCEPTION);
     shadowRoot->setInnerHTML(String::fromUTF8(shadowRootContent), ASSERT_NO_EXCEPTION);
     return shadowRoot.release();
 }
 
 TEST_F(TextIteratorTest, BitStackOverflow)
 {
     const unsigned bitsInWord = sizeof(unsigned) * 8;
     BitStack bs;
@@ skipping 324 matching lines @@
     document().view()->updateLayoutAndStyleForPainting();
 
     Node* divNode = document().getElementById("div");
     RefPtrWillBeRawPtr<Range> entireRange = Range::create(document(), divNode, 0, divNode, 3);
 
     RefPtrWillBeRawPtr<Range> subrange = TextIterator::subrange(entireRange.get(), 2, 3);
     EXPECT_EQ(0, subrange->startOffset());
     EXPECT_EQ(3, subrange->endOffset());
 }
 
-}
+} // namespace blink