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

Source/core/editing/Editor.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 70 matching lines @@
 #include "core/page/Page.h"
 #include "core/rendering/HitTestResult.h"
 #include "core/rendering/RenderImage.h"
 #include "core/svg/SVGImageElement.h"
 #include "platform/KillRing.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/unicode/CharacterNames.h"
 
 namespace WebCore {
 
+using namespace std;
 using namespace HTMLNames;
 using namespace WTF;
 using namespace Unicode;
 
 Editor::RevealSelectionScope::RevealSelectionScope(Editor* editor)
     : m_editor(editor)
 {
     ++m_editor->m_preventRevealSelection;
 }
 
@@ skipping 1021 matching lines @@
     IntRect startCaretRect = RenderedPosition(VisiblePosition(range->startPosition()).deepEquivalent(), DOWNSTREAM).absoluteRect(&extraWidthToEndOfLine);
     if (startCaretRect == LayoutRect())
         return IntRect();
 
     IntRect endCaretRect = RenderedPosition(VisiblePosition(range->endPosition()).deepEquivalent(), UPSTREAM).absoluteRect();
     if (endCaretRect == LayoutRect())
         return IntRect();
 
     if (startCaretRect.y() == endCaretRect.y()) {
         // start and end are on the same line
-        return IntRect(std::min(startCaretRect.x(), endCaretRect.x()),
+        return IntRect(min(startCaretRect.x(), endCaretRect.x()),
             startCaretRect.y(),
-            std::abs(endCaretRect.x() - startCaretRect.x()),
-            std::max(startCaretRect.height(), endCaretRect.height()));
+            abs(endCaretRect.x() - startCaretRect.x()),
+            max(startCaretRect.height(), endCaretRect.height()));
     }
 
     // start and end aren't on the same line, so go from start to the end of its line
     return IntRect(startCaretRect.x(),
         startCaretRect.y(),
         startCaretRect.width() + extraWidthToEndOfLine,
         startCaretRect.height());
 }
 
 void Editor::computeAndSetTypingStyle(StylePropertySet* style, EditAction editingAction)
@@ skipping 156 matching lines @@
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
 void Editor::trace(Visitor* visitor)
 {
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_mark);
 }
 
 } // namespace WebCore