Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        No new tests, refactoring only.

        * dom/Element.cpp:
        (WebCore::Element::copyNonAttributeProperties):
        (WebCore::Element::insertedIntoDocument):
        (WebCore::Element::removedFromDocument):
        (WebCore::Element::insertedIntoTree):
        (WebCore::Element::removedFromTree):
        (WebCore::Element::attach):
        (WebCore::Element::detach):
        (WebCore::Element::recalcStyle):
        (WebCore::Element::shadowRoot):
        (WebCore::Element::ensureShadowRoot):
        (WebCore::Element::childrenChanged):
        * dom/Node.cpp:
        (WebCore::Node::setTreeScopeRecursively):
        (WebCore::shadowRoot):
        (WebCore::Node::setDocumentRecursively):
        (WebCore::NodeRendererFactory::findVisualParent):
        Updated all the call sites for shadowRoot and ensureShadowRoot in the 2
        previous classes.

        * dom/Element.h: Updated 2 methods' signature to return a ShadowRoot*.

        * dom/ShadowRoot.h: Removed toShadowRoot as it is not used anymore.

        * html/HTMLDetailsElement.cpp:
        * html/HTMLSummaryElement.cpp:
        Added #include for ShadowRoot.h.
2011-05-03  Julien Chaffraix  <jchaffraix@codeaurora.org>

        Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        * src/WebElement.cpp: Added #include for ShadowRoot.h.
2011-05-03  Julien Chaffraix  <jchaffraix@codeaurora.org>

        Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        * WebCoreSupport/DumpRenderTreeSupportGtk.cpp: Added #include for ShadowRoot.h.
2011-05-03  Julien Chaffraix  <jchaffraix@codeaurora.org>

        Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        * DOM/WebDOMOperations.mm: Added #include for ShadowRoot.h.
2011-05-03  Julien Chaffraix  <jchaffraix@codeaurora.org>

        Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        * WebCoreSupport/DumpRenderTreeSupportQt.cpp:
        (DumpRenderTreeSupportQt::shadowRoot): Added #include for ShadowRoot.h.
2011-05-03  Julien Chaffraix  <jchaffraix@codeaurora.org>

        Reviewed by Dimitri Glazkov.

        Element:shadowRoot & Element::ensureShadowRoot should return ShadowRoot*
        https://bugs.webkit.org/show_bug.cgi?id=58703

        * WebProcess/InjectedBundle/DOM/InjectedBundleNodeHandle.cpp: Added #include for ShadowRoot.h.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@85644 268f45cc-cd09-0410-ab3c-d52691b4dbfc