Removing "using" declarations that import names in the C++ Standard library.(Source/platform/[fonts…

Source/platform/fonts/WidthIterator.cpp

 /*
  * Copyright (C) 2003, 2006, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Holger Hans Peter Freyther
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 16 matching lines @@
 #include "platform/fonts/Font.h"
 #include "platform/fonts/FontPlatformFeatures.h"
 #include "platform/fonts/GlyphBuffer.h"
 #include "platform/fonts/Latin1TextIterator.h"
 #include "platform/fonts/SimpleFontData.h"
 #include "platform/text/SurrogatePairAwareTextIterator.h"
 #include "wtf/MathExtras.h"
 
 using namespace WTF;
 using namespace Unicode;
-using namespace std;
 
 namespace blink {
 
 WidthIterator::WidthIterator(const Font* font, const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts, bool accountForGlyphBounds, bool forTextEmphasis)
     : m_font(font)
     , m_run(run)
     , m_currentCharacter(0)
     , m_runWidthSoFar(0)
     , m_isAfterExpansion(!run.allowsLeadingExpansion())
     , m_fallbackFonts(fallbackFonts)
-    , m_maxGlyphBoundingBoxY(numeric_limits<float>::min())
-    , m_minGlyphBoundingBoxY(numeric_limits<float>::max())
+    , m_maxGlyphBoundingBoxY(std::numeric_limits<float>::min())
+    , m_minGlyphBoundingBoxY(std::numeric_limits<float>::max())
     , m_firstGlyphOverflow(0)
     , m_lastGlyphOverflow(0)
     , m_accountForGlyphBounds(accountForGlyphBounds)
     , m_forTextEmphasis(forTextEmphasis)
 {
     // If the padding is non-zero, count the number of spaces in the run
     // and divide that by the padding for per space addition.
     m_expansion = m_run.expansion();
     if (!m_expansion)
         m_expansionPerOpportunity = 0;
@@ skipping 112 matching lines @@
 
     return width;
 }
 
 void WidthIterator::updateGlyphBounds(const GlyphData& glyphData, float width, bool firstCharacter)
 {
     ASSERT(glyphData.fontData);
     FloatRect bounds = glyphData.fontData->boundsForGlyph(glyphData.glyph);
 
     if (firstCharacter)
-        m_firstGlyphOverflow = max<float>(0, -bounds.x());
-    m_lastGlyphOverflow = max<float>(0, bounds.maxX() - width);
-    m_maxGlyphBoundingBoxY = max(m_maxGlyphBoundingBoxY, bounds.maxY());
-    m_minGlyphBoundingBoxY = min(m_minGlyphBoundingBoxY, bounds.y());
+        m_firstGlyphOverflow = std::max<float>(0, -bounds.x());
+    m_lastGlyphOverflow = std::max<float>(0, bounds.maxX() - width);
+    m_maxGlyphBoundingBoxY = std::max(m_maxGlyphBoundingBoxY, bounds.maxY());
+    m_minGlyphBoundingBoxY = std::min(m_minGlyphBoundingBoxY, bounds.y());
 }
 
 template <typename TextIterator>
 unsigned WidthIterator::advanceInternal(TextIterator& textIterator, GlyphBuffer* glyphBuffer)
 {
     bool hasExtraSpacing = (m_font->fontDescription().letterSpacing() || m_font->fontDescription().wordSpacing() || m_expansion)
         && !m_run.spacingDisabled();
 
     const SimpleFontData* primaryFont = m_font->primaryFont();
     const SimpleFontData* lastFontData = primaryFont;
@@ skipping 62 matching lines @@
     float initialWidth = m_runWidthSoFar;
 
     if (!advance(m_currentCharacter + 1))
         return false;
 
     width = m_runWidthSoFar - initialWidth;
     return true;
 }
 
 } // namespace blink