Removing using declarations that import names in the C++ Standard library.

Source/core/html/forms/InputType.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2009, 2010, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
@@ skipping 55 matching lines @@
 #include "core/html/forms/WeekInputType.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/rendering/RenderTheme.h"
 #include "platform/text/PlatformLocale.h"
 #include "platform/text/TextBreakIterator.h"
 
 namespace WebCore {
 
 using blink::WebLocalizedString;
 using namespace HTMLNames;
-using namespace std;
 
 typedef PassRefPtrWillBeRawPtr<InputType> (*InputTypeFactoryFunction)(HTMLInputElement&);
 typedef HashMap<AtomicString, InputTypeFactoryFunction, CaseFoldingHash> InputTypeFactoryMap;
 
 static PassOwnPtr<InputTypeFactoryMap> createInputTypeFactoryMap()
 {
     OwnPtr<InputTypeFactoryMap> map = adoptPtr(new InputTypeFactoryMap);
     map->add(InputTypeNames::button, ButtonInputType::create);
     map->add(InputTypeNames::checkbox, CheckboxInputType::create);
     map->add(InputTypeNames::color, ColorInputType::create);
@@ skipping 106 matching lines @@
     return DateComponents::invalidMilliseconds();
 }
 
 void InputType::setValueAsDate(double, ExceptionState& exceptionState) const
 {
     exceptionState.throwDOMException(InvalidStateError, "This input element does not support Date values.");
 }
 
 double InputType::valueAsDouble() const
 {
-    return numeric_limits<double>::quiet_NaN();
+    return std::numeric_limits<double>::quiet_NaN();
 }
 
 void InputType::setValueAsDouble(double doubleValue, TextFieldEventBehavior eventBehavior, ExceptionState& exceptionState) const
 {
     exceptionState.throwDOMException(InvalidStateError, "This input element does not support Number values.");
 }
 
 void InputType::setValueAsDecimal(const Decimal& newValue, TextFieldEventBehavior eventBehavior, ExceptionState&) const
 {
     element().setValue(serialize(newValue), eventBehavior);
@@ skipping 754 matching lines @@
 StepRange InputType::createStepRange(AnyStepHandling anyStepHandling, const Decimal& stepBaseDefault, const Decimal& minimumDefault, const Decimal& maximumDefault, const StepRange::StepDescription& stepDescription) const
 {
     const Decimal stepBase = findStepBase(stepBaseDefault);
     const Decimal minimum = parseToNumber(element().fastGetAttribute(minAttr), minimumDefault);
     const Decimal maximum = parseToNumber(element().fastGetAttribute(maxAttr), maximumDefault);
     const Decimal step = StepRange::parseStep(anyStepHandling, stepDescription, element().fastGetAttribute(stepAttr));
     return StepRange(stepBase, minimum, maximum, step, stepDescription);
 }
 
 } // namespace WebCore