https://bugs.webkit.org/show_bug.cgi?id=86449

Reviewed by Darin Adler.

Source/WebCore:

Since Node::shadowTreeRootNode() returns always a ShadowRoot now, shadowRoot() is
mure suitable than shadowTreeRootNode().

This patch changes the method name.

No new tests, no change in behavior.

* WebCore.order:
* dom/Node.cpp:
(WebCore::Node::rendererIsEditable):
(WebCore::Node::shadowAncestorNode):
(WebCore::Node::shadowRoot):
* dom/Node.h:
(Node):
* dom/NodeRenderingContext.cpp:
(WebCore::NodeRenderingContext::NodeRenderingContext):
* dom/Range.cpp:
(WebCore::Range::shadowRoot):
* dom/Range.h:
(Range):
* editing/Editor.cpp:
(WebCore::Editor::nextVisibleRange):
(WebCore::Editor::countMatchesForText):
* editing/TextIterator.cpp:
(WebCore::TextIterator::handleReplacedElement):
* editing/htmlediting.cpp:
(WebCore::indexForVisiblePosition):
* html/shadow/ContentSelectorQuery.cpp:
(WebCore::ContentSelectorQuery::matches):
* html/shadow/HTMLContentElement.cpp:
(WebCore::HTMLContentElement::parseAttribute):
* html/shadow/InsertionPoint.cpp:
(WebCore::InsertionPoint::detach):
* page/EventHandler.cpp:
(WebCore::instanceAssociatedWithShadowTreeElement):
* svg/SVGElement.cpp:
(WebCore::SVGElement::correspondingElement):
(WebCore::collectInstancesForSVGElement):

Source/WebKit/chromium:

* src/WebFrameImpl.cpp:
(WebKit::WebFrameImpl::scopeStringMatches):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@117210 268f45cc-cd09-0410-ab3c-d52691b4dbfc