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

Source/core/rendering/RenderTextControl.cpp

Index: Source/core/rendering/RenderTextControl.cpp
diff --git a/Source/core/rendering/RenderTextControl.cpp b/Source/core/rendering/RenderTextControl.cpp
index 81369e99415c863c5bcfbb38ba8c45fdd5887862..e49037c3a4014c64f94be59afc2dced190a08264 100644
--- a/Source/core/rendering/RenderTextControl.cpp
+++ b/Source/core/rendering/RenderTextControl.cpp
@@ -28,8 +28,6 @@
 #include "platform/scroll/ScrollbarTheme.h"
 #include "wtf/unicode/CharacterNames.h"
 
-using namespace std;
-
 namespace WebCore {
 
 RenderTextControl::RenderTextControl(HTMLTextFormControlElement* element)
@@ -268,13 +266,13 @@ void RenderTextControl::computePreferredLogicalWidths()
         computeIntrinsicLogicalWidths(m_minPreferredLogicalWidth, m_maxPreferredLogicalWidth);
 
     if (styleToUse->logicalMinWidth().isFixed() && styleToUse->logicalMinWidth().value() > 0) {
-        m_maxPreferredLogicalWidth = max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
-        m_minPreferredLogicalWidth = max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
+        m_maxPreferredLogicalWidth = std::max(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
+        m_minPreferredLogicalWidth = std::max(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMinWidth().value()));
     }
 
     if (styleToUse->logicalMaxWidth().isFixed()) {
-        m_maxPreferredLogicalWidth = min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
-        m_minPreferredLogicalWidth = min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
+        m_maxPreferredLogicalWidth = std::min(m_maxPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
+        m_minPreferredLogicalWidth = std::min(m_minPreferredLogicalWidth, adjustContentBoxLogicalWidthForBoxSizing(styleToUse->logicalMaxWidth().value()));
     }
 
     LayoutUnit toAdd = borderAndPaddingLogicalWidth();