Drop some "using namespace" in WebKit/Source/html.

third_party/WebKit/Source/core/html/ImageDocument.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 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 35 matching lines @@
 #include "core/html/HTMLImageElement.h"
 #include "core/html/HTMLMetaElement.h"
 #include "core/layout/LayoutObject.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/resource/ImageResource.h"
 #include "core/page/Page.h"
 #include "platform/HostWindow.h"
 #include "wtf/text/StringBuilder.h"
 
-using namespace std;
-
 namespace {
 
 // The base square size is set to 10 because it rounds nicely for both the
 // minimum scale (0.1) and maximum scale (5.0).
 const int kBaseCheckerSize = 10;
 
 }  // namespace
 
 namespace blink {
 
@@ skipping 242 matching lines @@
       zoom);
 
   // We want to pretend the viewport is larger when the user has zoomed the
   // page in (but not when the zoom is coming from device scale).
   const float manualZoom =
       zoom / view->getHostWindow()->windowToViewportScalar(1.f);
   float widthScale = view->width() * manualZoom / imageSize.width().toFloat();
   float heightScale =
       view->height() * manualZoom / imageSize.height().toFloat();
 
-  return min(widthScale, heightScale);
+  return std::min(widthScale, heightScale);
 }
 
 void ImageDocument::resizeImageToFit() {
   DCHECK_EQ(m_shrinkToFitMode, Desktop);
   if (!m_imageElement || m_imageElement->document() != this)
     return;
 
   LayoutSize imageSize = cachedImageSize(m_imageElement);
 
   const float scale = this->scale();
@@ skipping 294 matching lines @@
 }
 
 bool ImageEventListener::operator==(const EventListener& listener) const {
   if (const ImageEventListener* imageEventListener =
           ImageEventListener::cast(&listener))
     return m_doc == imageEventListener->m_doc;
   return false;
 }
 
 }  // namespace blink