Move windows specific isFixedPitch to FontPlatformData

Source/core/platform/graphics/chromium/SimpleFontDataChromiumWin.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All Rights Reserved.
  * Copyright (c) 2008, 2009, Google 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:
  * 
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 109 matching lines @@
 
 bool SimpleFontData::containsCharacters(const UChar* characters, int length) const
 {
   // This used to be implemented with IMLangFontLink2, but since that code has
   // been disabled, this would always return false anyway.
   return false;
 }
 
 void SimpleFontData::determinePitch()
 {
-    // TEXTMETRICS have this.  Set m_treatAsFixedPitch based off that.
-    HWndDC dc(0);
-    HGDIOBJ oldFont = SelectObject(dc, m_platformData.hfont());
-
-    // Yes, this looks backwards, but the fixed pitch bit is actually set if the font
-    // is *not* fixed pitch.  Unbelievable but true.
-    TEXTMETRIC textMetric = {0};
-    if (!GetTextMetrics(dc, &textMetric)) {
-        if (FontPlatformData::ensureFontLoaded(m_platformData.hfont())) {
-            // Retry GetTextMetrics.
-            // FIXME: Handle gracefully the error if this call also fails.
-            // See http://crbug.com/6401.
-            if (!GetTextMetrics(dc, &textMetric))
-                LOG_ERROR("Unable to get the text metrics after second attempt");
-        }
-    }
-
-    m_treatAsFixedPitch = ((textMetric.tmPitchAndFamily & TMPF_FIXED_PITCH) == 0);
-
-    SelectObject(dc, oldFont);
+    m_treatAsFixedPitch = platformData().isFixedPitch();
 }
 
 FloatRect SimpleFontData::platformBoundsForGlyph(Glyph glyph) const
 {
     HWndDC hdc(0);
     SetGraphicsMode(hdc, GM_ADVANCED);
     HGDIOBJ oldFont = SelectObject(hdc, m_platformData.hfont());
 
     GLYPHMETRICS gdiMetrics;
     static const MAT2 identity = { 0, 1,  0, 0,  0, 0,  0, 1 };
@@ skipping 31 matching lines @@
                 LOG_ERROR("Unable to get the char width after second attempt");
         }
     }
 
     SelectObject(dc, oldFont);
 
     return static_cast<float>(width);
 }
 
 }  // namespace WebCore