Remove SVGImage::drawPatternForContainer() tile workaround

Source/core/svg/graphics/SVGImage.cpp

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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.
@@ skipping 225 matching lines @@
     // for example must be applied atomically during the final fill/composite phase).
     GraphicsContext recordingContext(nullptr, nullptr);
     recordingContext.beginRecording(spacedTile);
     // When generating an expanded tile, make sure we don't draw into the spacing area.
     if (tile != spacedTile)
         recordingContext.clipRect(tile);
     drawForContainer(&recordingContext, containerSize, zoom, tile, srcRect, CompositeSourceOver,
         blink::WebBlendModeNormal);
     RefPtr<Picture> tilePicture = recordingContext.endRecording();
 
-    // FIXME: SkPictureShader ignores the picture offset - so we must compensate here.
-    SkRect tileRect = SkRect::MakeXYWH(-spacedTile.x(), -spacedTile.y(),
-        spacedTile.width(), spacedTile.height());
     SkMatrix patternTransform;
     patternTransform.setTranslate(phase.x() + spacedTile.x(), phase.y() + spacedTile.y());
     RefPtr<SkShader> patternShader = adoptRef(SkShader::CreatePictureShader(
         tilePicture.get(), SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode,
-        &patternTransform, &tileRect));
+        &patternTransform, nullptr));
 
     SkPaint paint;
     paint.setShader(patternShader.get());
     paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp, blendMode));
     paint.setColorFilter(context->colorFilter());
     context->drawRect(dstRect, paint);
 }
 
 void SVGImage::draw(GraphicsContext* context, const FloatRect& dstRect, const FloatRect& srcRect, CompositeOperator compositeOp, blink::WebBlendMode blendMode)
 {
@@ skipping 176 matching lines @@
 
     return m_page;
 }
 
 String SVGImage::filenameExtension() const
 {
     return "svg";
 }
 
 }