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

Source/core/html/shadow/SliderThumbElement.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 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.
@@ skipping 28 matching lines @@
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/forms/StepRange.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/shadow/ShadowElementNames.h"
 #include "core/page/EventHandler.h"
 #include "core/rendering/RenderFlexibleBox.h"
 #include "core/rendering/RenderSlider.h"
 #include "core/rendering/RenderTheme.h"
 
-using namespace std;
-
 namespace WebCore {
 
 using namespace HTMLNames;
 
 inline static Decimal sliderPosition(HTMLInputElement* element)
 {
     const StepRange stepRange(element->createStepRange(RejectAny));
     const Decimal oldValue = parseToDecimalForNumberType(element->value(), stepRange.defaultValue());
     return stepRange.proportionFromValue(stepRange.clampValue(oldValue));
 }
@@ skipping 217 matching lines @@
     if (isVertical) {
         trackSize = trackElement->renderBox()->contentHeight() - renderBox()->height();
         position = offset.y() - renderBox()->height() / 2 - trackBoundingBox.y() + inputBoundingBox.y() - renderBox()->marginBottom();
         currentPosition = absoluteThumbOrigin.y() - absoluteSliderContentOrigin.y();
     } else {
         trackSize = trackElement->renderBox()->contentWidth() - renderBox()->width();
         position = offset.x() - renderBox()->width() / 2 - trackBoundingBox.x() + inputBoundingBox.x();
         position -= isLeftToRightDirection ? renderBox()->marginLeft() : renderBox()->marginRight();
         currentPosition = absoluteThumbOrigin.x() - absoluteSliderContentOrigin.x();
     }
-    position = max<LayoutUnit>(0, min(position, trackSize));
+    position = std::max<LayoutUnit>(0, std::min(position, trackSize));
     const Decimal ratio = Decimal::fromDouble(static_cast<double>(position) / trackSize);
     const Decimal fraction = isVertical || !isLeftToRightDirection ? Decimal(1) - ratio : ratio;
     StepRange stepRange(input->createStepRange(RejectAny));
     Decimal value = stepRange.clampValue(stepRange.valueFromProportion(fraction));
 
     Decimal closest = input->findClosestTickMarkValue(value);
     if (closest.isFinite()) {
         double closestFraction = stepRange.proportionFromValue(closest).toDouble();
         double closestRatio = isVertical || !isLeftToRightDirection ? 1.0 - closestFraction : closestFraction;
         LayoutUnit closestPosition = trackSize * closestRatio;
@@ skipping 168 matching lines @@
     case MediaVolumeSliderThumbPart:
     case MediaFullScreenVolumeSliderPart:
     case MediaFullScreenVolumeSliderThumbPart:
         return mediaSliderContainer;
     default:
         return sliderContainer;
     }
 }
 
 }