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

Source/core/rendering/RenderFileUploadControl.cpp

Index: Source/core/rendering/RenderFileUploadControl.cpp
diff --git a/Source/core/rendering/RenderFileUploadControl.cpp b/Source/core/rendering/RenderFileUploadControl.cpp
index 9fd7784719c59437121e4294249fff060f16ef59..8b12dc0edaaf9c644fe298712aa2992e72854aa3 100644
--- a/Source/core/rendering/RenderFileUploadControl.cpp
+++ b/Source/core/rendering/RenderFileUploadControl.cpp
@@ -35,8 +35,6 @@
 #include "platform/text/TextRun.h"
 #include <math.h>
 
-using namespace std;
-
 namespace WebCore {
 
 using namespace HTMLNames;
@@ -83,7 +81,7 @@ static int nodeWidth(Node* node)
 
 int RenderFileUploadControl::maxFilenameWidth() const
 {
-    return max(0, contentBoxRect().pixelSnappedWidth() - nodeWidth(uploadButton()) - afterButtonSpacing);
+    return std::max(0, contentBoxRect().pixelSnappedWidth() - nodeWidth(uploadButton()) - afterButtonSpacing);
 }
 
 void RenderFileUploadControl::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
@@ -161,7 +159,7 @@ void RenderFileUploadControl::computeIntrinsicLogicalWidths(LayoutUnit& minLogic
     if (HTMLInputElement* button = uploadButton())
         if (RenderObject* buttonRenderer = button->renderer())
             defaultLabelWidth += buttonRenderer->maxPreferredLogicalWidth() + afterButtonSpacing;
-    maxLogicalWidth = static_cast<int>(ceilf(max(minDefaultLabelWidth, defaultLabelWidth)));
+    maxLogicalWidth = static_cast<int>(ceilf(std::max(minDefaultLabelWidth, defaultLabelWidth)));
 
     if (!style()->width().isPercent())
         minLogicalWidth = maxLogicalWidth;
@@ -181,13 +179,13 @@ void RenderFileUploadControl::computePreferredLogicalWidths()
         computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
 
     if (styleToUse->minWidth().isFixed() && styleToUse->minWidth().value() > 0) {
-        m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value()));
-        m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value()));
+        m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value()));
+        m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->minWidth().value()));
     }
 
     if (styleToUse->maxWidth().isFixed()) {
-        m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value()));
-        m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value()));
+        m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value()));
+        m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->maxWidth().value()));
     }
 
     int toAdd = borderAndPaddingWidth();