Use abs() instead of std::abs() in Editor::firstRectForRange().

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 1114 matching lines @@
         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()),
             startCaretRect.y(),
-            std::abs(endCaretRect.x() - startCaretRect.x()),
+            ::abs(endCaretRect.x() - startCaretRect.x()),
             std::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());
 }
 
@@ skipping 157 matching lines @@
     frame().selection().setShouldShowBlockCursor(m_overwriteModeEnabled);
 }
 
 void Editor::trace(Visitor* visitor)
 {
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_mark);
 }
 
 } // namespace WebCore