Implement CSS3TextDecorations runtime flag in favor of CSS3_TEXT

Source/core/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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:
  * 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 725 matching lines @@
     paint->setStrokeCap(m_skiaState->m_lineCap);
     paint->setStrokeJoin(m_skiaState->m_lineJoin);
     paint->setStrokeMiter(SkFloatToScalar(m_skiaState->m_miterLimit));
 
     if (m_skiaState->m_dash)
         paint->setPathEffect(m_skiaState->m_dash);
     else {
         switch (m_skiaState->m_strokeStyle) {
         case NoStroke:
         case SolidStroke:
-#if ENABLE(CSS3_TEXT)
         case DoubleStroke:
-        case WavyStroke: // FIXME: https://bugs.webkit.org/show_bug.cgi?id=93509 - Needs platform support.
-#endif // CSS3_TEXT
+        case WavyStroke: // FIXME: https://code.google.com/p/chromium/issues/detail?id=229574
             break;
         case DashedStroke:
             width = m_skiaState->m_dashRatio * width;
             // Fall through.
         case DottedStroke:
             // Truncate the width, since we don't want fuzzy dots or dashes.
             int dashLength = static_cast<int>(width);
             // Subtract off the endcaps, since they're rendered separately.
             int distance = length - 2 * static_cast<int>(m_skiaState->m_strokeThickness);
             int phase = 1;
@@ skipping 1357 matching lines @@
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kDstIn_Mode);
     realizeSave(SkCanvas::kMatrixClip_SaveFlag);
     m_canvas->save(SkCanvas::kMatrix_SaveFlag);
     m_canvas->resetMatrix();
     m_canvas->drawBitmapRect(imageBuffer, 0, rect, &paint);
     m_canvas->restore();
 }
 
 }