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

Source/core/html/HTMLTextFormControlElement.cpp

Index: Source/core/html/HTMLTextFormControlElement.cpp
diff --git a/Source/core/html/HTMLTextFormControlElement.cpp b/Source/core/html/HTMLTextFormControlElement.cpp
index cc43426ee4cd41bf8b8e2a13a5e6ab7f742d3832..d3d26151370b8d1ded176b162c2219d26754b51d 100644
--- a/Source/core/html/HTMLTextFormControlElement.cpp
+++ b/Source/core/html/HTMLTextFormControlElement.cpp
@@ -48,7 +48,6 @@
 namespace WebCore {
 
 using namespace HTMLNames;
-using namespace std;
 
 HTMLTextFormControlElement::HTMLTextFormControlElement(const QualifiedName& tagName, Document& doc, HTMLFormElement* form)
     : HTMLFormControlElementWithState(tagName, doc, form)
@@ -164,12 +163,12 @@ void HTMLTextFormControlElement::updatePlaceholderVisibility(bool placeholderVal
 
 void HTMLTextFormControlElement::setSelectionStart(int start)
 {
-    setSelectionRange(start, max(start, selectionEnd()), selectionDirection());
+    setSelectionRange(start, std::max(start, selectionEnd()), selectionDirection());
 }
 
 void HTMLTextFormControlElement::setSelectionEnd(int end)
 {
-    setSelectionRange(min(end, selectionStart()), end, selectionDirection());
+    setSelectionRange(std::min(end, selectionStart()), end, selectionDirection());
 }
 
 void HTMLTextFormControlElement::setSelectionDirection(const String& direction)
@@ -179,7 +178,7 @@ void HTMLTextFormControlElement::setSelectionDirection(const String& direction)
 
 void HTMLTextFormControlElement::select()
 {
-    setSelectionRange(0, numeric_limits<int>::max(), SelectionHasNoDirection);
+    setSelectionRange(0, std::numeric_limits<int>::max(), SelectionHasNoDirection);
 }
 
 bool HTMLTextFormControlElement::shouldDispatchFormControlChangeEvent(String& oldValue, String& newValue)
@@ -283,8 +282,8 @@ void HTMLTextFormControlElement::setSelectionRange(int start, int end, TextField
     if (!renderer() || !renderer()->isTextControl())
         return;
 
-    end = max(end, 0);
-    start = min(max(start, 0), end);
+    end = std::max(end, 0);
+    start = std::min(std::max(start, 0), end);
 
     if (!hasVisibleTextArea(renderer(), innerTextElement())) {
         cacheSelection(start, end, direction);