Rename transformToRoot:ish names to screenScaleFactorChanged:ish ones

third_party/WebKit/Source/core/layout/svg/LayoutSVGText.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.
  * Copyright (C) 2012 Google Inc.
  *
@@ skipping 205 matching lines @@
 
         m_layoutAttributes.clear();
         collectLayoutAttributes(this, m_layoutAttributes);
 
         SVGTextLayoutAttributesBuilder(*this).buildLayoutAttributes();
 
         m_needsReordering = true;
         m_needsPositioningValuesUpdate = false;
         updateCachedBoundariesInParents = true;
     } else if (m_needsTextMetricsUpdate || SVGLayoutSupport::findTreeRootObject(this)->isLayoutSizeChanged()) {
-        // If the root layout size changed (eg. window size changes) or the transform to the root
-        // context has changed then recompute the on-screen font size.
+        // If the root layout size changed (eg. window size changes), or the screen scale factor has
+        // changed, then recompute the on-screen font size.
         updateFontAndMetrics(*this);
 
         ASSERT(!m_needsReordering);
         ASSERT(!m_needsPositioningValuesUpdate);
         m_needsTextMetricsUpdate = false;
         updateCachedBoundariesInParents = true;
     }
 
     checkLayoutAttributesConsistency(this, m_layoutAttributes);
 
@@ skipping 179 matching lines @@
         paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
 
     if (reason == PaintInvalidationSVGResourceChange)
         newPaintInvalidationState.setForceSubtreeInvalidationWithinContainer();
 
     newPaintInvalidationState.updateForChildren();
     invalidatePaintOfSubtreesIfNeeded(newPaintInvalidationState);
 }
 
 } // namespace blink