Remove document param from parseSystemColor

Source/core/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, 2013 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
  *
@@ skipping 725 matching lines @@
 
     resetTransform();
     transform(m11, m12, m21, m22, dx, dy);
 }
 
 void CanvasRenderingContext2D::setStrokeColor(const String& color)
 {
     if (color == state().m_unparsedStrokeColor)
         return;
     realizeSaves();
-    setStrokeStyle(CanvasStyle::createFromString(color, &canvas()->document()));
+    setStrokeStyle(CanvasStyle::createFromString(color));
     modifiableState().m_unparsedStrokeColor = color;
 }
 
 void CanvasRenderingContext2D::setStrokeColor(float grayLevel)
 {
     if (state().m_strokeStyle && state().m_strokeStyle->isEquivalentRGBA(grayLevel, grayLevel, grayLevel, 1.0f))
         return;
     setStrokeStyle(CanvasStyle::createFromGrayLevelWithAlpha(grayLevel, 1.0f));
 }
 
@@ skipping 21 matching lines @@
     if (state().m_strokeStyle && state().m_strokeStyle->isEquivalentCMYKA(c, m, y, k, a))
         return;
     setStrokeStyle(CanvasStyle::createFromCMYKAChannels(c, m, y, k, a));
 }
 
 void CanvasRenderingContext2D::setFillColor(const String& color)
 {
     if (color == state().m_unparsedFillColor)
         return;
     realizeSaves();
-    setFillStyle(CanvasStyle::createFromString(color, &canvas()->document()));
+    setFillStyle(CanvasStyle::createFromString(color));
     modifiableState().m_unparsedFillColor = color;
 }
 
 void CanvasRenderingContext2D::setFillColor(float grayLevel)
 {
     if (state().m_fillStyle && state().m_fillStyle->isEquivalentRGBA(grayLevel, grayLevel, grayLevel, 1.0f))
         return;
     setFillStyle(CanvasStyle::createFromGrayLevelWithAlpha(grayLevel, 1.0f));
 }
 
@@ skipping 1501 matching lines @@
     const int focusRingWidth = 5;
     const int focusRingOutline = 0;
     c->drawFocusRing(path, focusRingWidth, focusRingOutline, focusRingColor);
 
     c->restore();
 
     didDraw(dirtyRect);
 }
 
 } // namespace WebCore