https://bugs.webkit.org/show_bug.cgi?id=121892

Reviewed by Andreas Kling.

DocumentStyleSheetCollection had an odd destruction pattern for no apparent reason.

The two objects strictly depend on eachother, this patch make that explicit by making
DocumentStyleSheetCollection a plain object in Document's memory space.

* css/CSSStyleSheet.cpp:
(WebCore::CSSStyleSheet::didMutateRules):
* css/DocumentRuleSets.cpp:
(WebCore::DocumentRuleSets::initUserStyle):
* css/DocumentRuleSets.h:
* css/InspectorCSSOMWrappers.cpp:
(WebCore::InspectorCSSOMWrappers::collectFromDocumentStyleSheetCollection):
(WebCore::InspectorCSSOMWrappers::getWrapperForRuleInSheets):
* css/InspectorCSSOMWrappers.h:
* css/SelectorChecker.cpp:
(WebCore::SelectorChecker::matchRecursively):
(WebCore::SelectorChecker::checkOne):
* css/StyleResolver.cpp:
(WebCore::StyleResolver::StyleResolver):
* css/StyleSheetList.cpp:
(WebCore::StyleSheetList::styleSheets):
(WebCore::StyleSheetList::detachFromDocument):
* dom/Document.cpp:
(WebCore::Document::Document):
(WebCore::Document::~Document):
(WebCore::Document::setCompatibilityMode):
(WebCore::Document::recalcStyle):
(WebCore::Document::createStyleResolver):
(WebCore::Document::processHttpEquiv):
(WebCore::Document::preferredStylesheetSet):
(WebCore::Document::selectedStylesheetSet):
(WebCore::Document::setSelectedStylesheetSet):
(WebCore::Document::scheduleOptimizedStyleSheetUpdate):
(WebCore::Document::styleResolverChanged):
(WebCore::Document::haveStylesheetsLoaded):
* dom/Document.h:
(WebCore::Document::styleSheetCollection):
* dom/DocumentStyleSheetCollection.cpp:
(WebCore::DocumentStyleSheetCollection::DocumentStyleSheetCollection):
(WebCore::DocumentStyleSheetCollection::combineCSSFeatureFlags):
(WebCore::DocumentStyleSheetCollection::resetCSSFeatureFlags):
(WebCore::DocumentStyleSheetCollection::pageUserSheet):
(WebCore::DocumentStyleSheetCollection::clearPageUserSheet):
(WebCore::DocumentStyleSheetCollection::updatePageUserSheet):
(WebCore::DocumentStyleSheetCollection::updateInjectedStyleSheetCache):
(WebCore::DocumentStyleSheetCollection::invalidateInjectedStyleSheetCache):
(WebCore::DocumentStyleSheetCollection::addAuthorSheet):
(WebCore::DocumentStyleSheetCollection::addUserSheet):
(WebCore::DocumentStyleSheetCollection::removePendingSheet):
(WebCore::DocumentStyleSheetCollection::addStyleSheetCandidateNode):
(WebCore::DocumentStyleSheetCollection::collectActiveStyleSheets):
(WebCore::DocumentStyleSheetCollection::analyzeStyleSheetChange):
(WebCore::collectActiveCSSStyleSheetsFromSeamlessParents):
(WebCore::DocumentStyleSheetCollection::updateActiveStyleSheets):
* dom/DocumentStyleSheetCollection.h:
* dom/Element.cpp:
(WebCore::Element::createPseudoElementIfNeeded):
* dom/InlineStyleSheetOwner.cpp:
(WebCore::InlineStyleSheetOwner::insertedIntoDocument):
(WebCore::InlineStyleSheetOwner::removedFromDocument):
(WebCore::InlineStyleSheetOwner::clearDocumentData):
(WebCore::InlineStyleSheetOwner::createSheet):
(WebCore::InlineStyleSheetOwner::sheetLoaded):
(WebCore::InlineStyleSheetOwner::startLoadingDynamicSheet):
* dom/ProcessingInstruction.cpp:
(WebCore::ProcessingInstruction::~ProcessingInstruction):
(WebCore::ProcessingInstruction::checkStyleSheet):
(WebCore::ProcessingInstruction::sheetLoaded):
(WebCore::ProcessingInstruction::insertedInto):
(WebCore::ProcessingInstruction::removedFrom):
* html/HTMLLinkElement.cpp:
(WebCore::HTMLLinkElement::~HTMLLinkElement):
(WebCore::HTMLLinkElement::insertedInto):
(WebCore::HTMLLinkElement::removedFrom):
(WebCore::HTMLLinkElement::addPendingSheet):
(WebCore::HTMLLinkElement::removePendingSheet):
* html/HTMLQuoteElement.cpp:
(WebCore::HTMLQuoteElement::insertedInto):
* html/HTMLViewSourceDocument.cpp:
(WebCore::HTMLViewSourceDocument::HTMLViewSourceDocument):
* inspector/InspectorCSSAgent.cpp:
(WebCore::InspectorCSSAgent::willMatchRule):
* inspector/InspectorCSSAgent.h:
* inspector/InspectorInstrumentation.cpp:
(WebCore::InspectorInstrumentation::willMatchRuleImpl):
* inspector/InspectorInstrumentation.h:
(WebCore::InspectorInstrumentation::willMatchRule):
* mathml/MathMLMathElement.cpp:
(WebCore::MathMLMathElement::insertedInto):
* page/Page.cpp:
(WebCore::Page::userStyleSheetLocationChanged):
* page/PageGroup.cpp:
(WebCore::PageGroup::invalidateInjectedStyleSheetCacheInAllFrames):
* rendering/RenderBlock.cpp:
(WebCore::RenderBlock::lineHeight):
(WebCore::RenderBlock::updateFirstLetter):
* rendering/RenderInline.cpp:
(WebCore::RenderInline::updateAlwaysCreateLineBoxes):
(WebCore::RenderInline::lineHeight):
* rendering/RenderLineBreak.cpp:
(WebCore::RenderLineBreak::lineHeight):
* rendering/RenderObject.cpp:
(WebCore::RenderObject::uncachedFirstLineStyle):
(WebCore::RenderObject::cachedFirstLineStyle):
* rendering/RenderObject.h:
(WebCore::RenderObject::firstLineStyle):
* rendering/RootInlineBox.cpp:
(WebCore::RootInlineBox::verticalPositionForBox):
* style/StyleResolveTree.cpp:
(WebCore::Style::resolveLocal):
* testing/Internals.cpp:
(WebCore::Internals::insertAuthorCSS):
(WebCore::Internals::insertUserCSS):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@156422 268f45cc-cd09-0410-ab3c-d52691b4dbfc