Removing a bunch of unused platform code.

Source/WebCore/html/canvas/CanvasRenderingContext2D.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
@@ skipping 2082 matching lines @@
 }
 
 void CanvasRenderingContext2D::strokeText(const String& text, float x, float y, float maxWidth)
 {
     drawTextInternal(text, x, y, false, maxWidth, true);
 }
 
 PassRefPtr<TextMetrics> CanvasRenderingContext2D::measureText(const String& text)
 {
     FontCachePurgePreventer fontCachePurgePreventer;
-
     RefPtr<TextMetrics> metrics = TextMetrics::create();
-
-#if PLATFORM(QT)
-    // We always use complex text shaping since it can't be turned off for QPainterPath::addText().
-    Font::CodePath oldCodePath = Font::codePath();
-    Font::setCodePath(Font::Complex);
-#endif
-
     metrics->setWidth(accessFont().width(TextRun(text.characters(), text.length())));
-
-#if PLATFORM(QT)
-    Font::setCodePath(oldCodePath);
-#endif
-
     return metrics.release();
 }
 
 static void replaceCharacterInString(String& text, WTF::CharacterMatchFunctionPtr matchFunction, const String& replacement)
 {
     const size_t replacementLength = replacement.length();
     size_t index = 0;
     while ((index = text.find(matchFunction, index)) != notFound) {
         text.replace(index, 1, replacement);
         index += replacementLength;
@@ skipping 115 matching lines @@
 
         GraphicsContextStateSaver stateSaver(*c);
         c->clipToImageBuffer(maskImage.get(), maskRect);
         drawStyle->applyFillColor(c);
         c->fillRect(maskRect);
         return;
     }
 #endif
 
     c->setTextDrawingMode(fill ? TextModeFill : TextModeStroke);
-
-#if PLATFORM(QT)
-    // We always use complex text shaping since it can't be turned off for QPainterPath::addText().
-    Font::CodePath oldCodePath = Font::codePath();
-    Font::setCodePath(Font::Complex);
-#endif
-
     if (useMaxWidth) {
         GraphicsContextStateSaver stateSaver(*c);
         c->translate(location.x(), location.y());
         // We draw when fontWidth is 0 so compositing operations (eg, a "copy" op) still work.
         c->scale(FloatSize((fontWidth > 0 ? (width / fontWidth) : 0), 1));
         c->drawBidiText(font, textRun, FloatPoint(0, 0), Font::UseFallbackIfFontNotReady);
     } else
         c->drawBidiText(font, textRun, location, Font::UseFallbackIfFontNotReady);
 
     didDraw(textRect);
-
-#if PLATFORM(QT)
-    Font::setCodePath(oldCodePath);
-#endif
 }
 
 void CanvasRenderingContext2D::inflateStrokeRect(FloatRect& rect) const
 {
     // Fast approximation of the stroke's bounding rect.
     // This yields a slightly oversized rect but is very fast
     // compared to Path::strokeBoundingRect().
     static const float root2 = sqrtf(2);
     float delta = state().m_lineWidth / 2;
     if (state().m_lineJoin == MiterJoin)
@@ skipping 31 matching lines @@
         return;
 
     realizeSaves();
     modifiableState().m_imageSmoothingEnabled = enabled;
     GraphicsContext* c = drawingContext();
     if (c)
         c->setImageInterpolationQuality(enabled ? DefaultInterpolationQuality : InterpolationNone);
 }
 
 } // namespace WebCore