third_party/WebKit: fix typos found in comments

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 313 matching lines @@
 
     bool updateCachedBoundariesInParents = false;
     if (m_needsTransformUpdate) {
         m_localTransform = toSVGTextElement(node())->calculateAnimatedLocalTransform();
         m_needsTransformUpdate = false;
         updateCachedBoundariesInParents = true;
     }
 
     if (!everHadLayout()) {
         // When laying out initially, collect all layout attributes, build the character data map,
-        // and propogate resulting SVGLayoutAttributes to all LayoutSVGInlineText children in the subtree.
+        // and propagate resulting SVGLayoutAttributes to all LayoutSVGInlineText children in the subtree.
         ASSERT(m_layoutAttributes.isEmpty());
         collectLayoutAttributes(this, m_layoutAttributes);
         updateFontInAllDescendants(this);
         m_layoutAttributesBuilder.buildLayoutAttributesForForSubtree(*this);
 
         m_needsReordering = true;
         m_needsTextMetricsUpdate = false;
         m_needsPositioningValuesUpdate = false;
         updateCachedBoundariesInParents = true;
     } else if (m_needsPositioningValuesUpdate) {
@@ skipping 186 matching lines @@
         paintInvalidationState.pushDelayedPaintInvalidationTarget(*this);
 
     ForceHorriblySlowRectMapping slowRectMapping(&paintInvalidationState);
     PaintInvalidationState childTreeWalkState(paintInvalidationState, *this, paintInvalidationState.paintInvalidationContainer());
     if (reason == PaintInvalidationSVGResourceChange)
         childTreeWalkState.setForceSubtreeInvalidationWithinContainer();
     invalidatePaintOfSubtreesIfNeeded(childTreeWalkState);
 }
 
 }