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

Source/core/editing/CompositeEditCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 51 matching lines @@
 #include "core/editing/htmlediting.h"
 #include "core/editing/markup.h"
 #include "core/events/ScopedEventQueue.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/HTMLElement.h"
 #include "core/rendering/InlineTextBox.h"
 #include "core/rendering/RenderBlock.h"
 #include "core/rendering/RenderListItem.h"
 #include "core/rendering/RenderText.h"
 
+using namespace std;
+
 namespace WebCore {
 
 using namespace HTMLNames;
 
 PassRefPtrWillBeRawPtr<EditCommandComposition> EditCommandComposition::create(Document* document,
     const VisibleSelection& startingSelection, const VisibleSelection& endingSelection, EditAction editAction)
 {
     return adoptRefWillBeNoop(new EditCommandComposition(document, startingSelection, endingSelection, editAction));
 }
 
@@ skipping 671 matching lines @@
     while (prevBox || box) {
         unsigned gapStart = prevBox ? prevBox->start() + prevBox->len() : 0;
         if (end < gapStart)
             // No more chance for any intersections
             break;
 
         unsigned gapEnd = box ? box->start() : length;
         bool indicesIntersect = start <= gapEnd && end >= gapStart;
         int gapLen = gapEnd - gapStart;
         if (indicesIntersect && gapLen > 0) {
-            gapStart = std::max(gapStart, start);
+            gapStart = max(gapStart, start);
             if (str.isNull())
                 str = textNode->data().substring(start, end - start);
             // remove text in the gap
             str.remove(gapStart - start - removed, gapLen);
             removed += gapLen;
         }
 
         prevBox = box;
         if (box) {
             if (++sortedTextBoxesPosition < sortedTextBoxes.size())
@@ skipping 721 matching lines @@
 }
 
 void CompositeEditCommand::trace(Visitor* visitor)
 {
     visitor->trace(m_commands);
     visitor->trace(m_composition);
     EditCommand::trace(visitor);
 }
 
 } // namespace WebCore