Lazily allocate svg shape transforms, shrink RenderSVGShape by 44B

Source/core/svg/SVGGraphicsElement.cpp

Index: Source/core/svg/SVGGraphicsElement.cpp
diff --git a/Source/core/svg/SVGGraphicsElement.cpp b/Source/core/svg/SVGGraphicsElement.cpp
index 61075da967ce57a3aa76961c4b597e8d09c15498..69b1ab3d43db17259e347ebe4e49ffd5ddf161d7 100644
--- a/Source/core/svg/SVGGraphicsElement.cpp
+++ b/Source/core/svg/SVGGraphicsElement.cpp
@@ -122,6 +122,12 @@ PassRefPtr<SVGMatrixTearOff> SVGGraphicsElement::getScreenCTMFromJavascript()
     return SVGMatrixTearOff::create(getScreenCTM());
 }
 
+bool SVGGraphicsElement::hasAnimatedLocalTransform() const
+{
+    RenderStyle* style = renderer() ? renderer()->style() : 0;
+    return (style && style->hasTransform()) || !m_transform->currentValue()->isEmpty() || hasSVGRareData();

[fs, 2014/11/05 13:46:47]

Maybe there ought to be a comment here pointing to the method below - which
would serve to explain why thi predicate is correct (hasSVGRareData() will not
be directly obvious for instance).

[pdr., 2014/11/07 04:20:27]

Excellent point. Done

+}
+
 AffineTransform SVGGraphicsElement::calculateAnimatedLocalTransform() const
 {
     AffineTransform matrix;