Fix application of OBB paint-servers when device scale != 1

Source/core/rendering/svg/RenderSVGResourceContainer.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 214 matching lines @@
         ASSERT((*it)->hasPendingResources());
         extensions.clearHasPendingResourcesIfPossible(*it);
         RenderObject* renderer = (*it)->renderer();
         if (!renderer)
             continue;
         SVGResourcesCache::clientStyleChanged(renderer, StyleDifferenceLayout, renderer->style());
         renderer->setNeedsLayout();
     }
 }
 
+AffineTransform RenderSVGResourceContainer::computeResourceSpaceTransform(RenderObject* object, const AffineTransform& baseTransform, const SVGRenderStyle* svgStyle, unsigned short resourceMode)
+{
+    AffineTransform computedSpaceTransform = baseTransform;
+    if (resourceMode & ApplyToTextMode) {
+        // Depending on the font scaling factor, we may need to apply an
+        // additional transform (scale-factor) the paintserver, since text
+        // painting removes the scale factor from the context. (See
+        // SVGInlineTextBox::paintTextWithShadows.)
+        AffineTransform additionalTextTransformation;
+        if (shouldTransformOnTextPainting(object, additionalTextTransformation))
+            computedSpaceTransform = additionalTextTransformation * computedSpaceTransform;
+    }
+    if (resourceMode & ApplyToStrokeMode) {
+        // Non-scaling stroke needs to reset the transform back to the host transform.
+        if (svgStyle->vectorEffect() == VE_NON_SCALING_STROKE)
+            computedSpaceTransform = transformOnNonScalingStroke(object, computedSpaceTransform);
+    }
+    return computedSpaceTransform;
+}
+
 bool RenderSVGResourceContainer::shouldTransformOnTextPainting(RenderObject* object, AffineTransform& resourceTransform)
 {
     ASSERT_UNUSED(object, object);
 
     // This method should only be called for RenderObjects that deal with text rendering. Cmp. RenderObject.h's is*() methods.
     ASSERT(object->isSVGText() || object->isSVGTextPath() || object->isSVGInline());
 
     // In text drawing, the scaling part of the graphics context CTM is removed, compare SVGInlineTextBox::paintTextWithShadows.
     // So, we use that scaling factor here, too, and then push it down to pattern or gradient space
     // in order to keep the pattern or gradient correctly scaled.
@@ skipping 10 matching lines @@
     if (!object->isSVGShape())
         return resourceTransform;
 
     SVGGraphicsElement* element = toSVGGraphicsElement(object->node());
     AffineTransform transform = element->getScreenCTM(SVGGraphicsElement::DisallowStyleUpdate);
     transform *= resourceTransform;
     return transform;
 }
 
 }