https://bugs.webkit.org/show_bug.cgi?id=123467

Reviewed by Anders Carlsson.

Manage SVGPathByteStream objects through std::unique_ptr. Constructors for the class are made public
so std::make_unique can be used with the class.

* svg/SVGAnimatedPath.cpp:
(WebCore::SVGAnimatedPathAnimator::constructFromString):
(WebCore::SVGAnimatedPathAnimator::startAnimValAnimation):
(WebCore::SVGAnimatedPathAnimator::calculateAnimatedValue):
* svg/SVGAnimatedType.cpp:
(WebCore::SVGAnimatedType::createPath):
* svg/SVGAnimatedType.h:
* svg/SVGPathByteStream.h:
(WebCore::SVGPathByteStream::SVGPathByteStream): Takes a const Data object that's then copied.
(WebCore::SVGPathByteStream::copy): Made const.
* svg/SVGPathByteStreamBuilder.cpp: Remove an unnecessary include.
* svg/SVGPathByteStreamBuilder.h: Ditto.
* svg/SVGPathElement.cpp:
(WebCore::SVGPathElement::SVGPathElement):
* svg/SVGPathElement.h:
* svg/SVGPathUtilities.cpp:
(WebCore::appendSVGPathByteStreamFromSVGPathSeg):
(WebCore::addToSVGPathByteStream):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@158359 268f45cc-cd09-0410-ab3c-d52691b4dbfc