Remove stylesheet injection from Blink.

Source/core/dom/StyleEngine.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 26 matching lines @@
 #include "core/dom/DocumentStyleSheetCollector.h"
 #include "core/dom/Element.h"
 #include "core/dom/ProcessingInstruction.h"
 #include "core/dom/ShadowTreeStyleSheetCollection.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLLinkElement.h"
 #include "core/html/imports/HTMLImportsController.h"
 #include "core/inspector/InspectorInstrumentation.h"
-#include "core/page/InjectedStyleSheets.h"
 #include "core/page/Page.h"
 #include "core/svg/SVGStyleElement.h"
-#include "platform/URLPatternMatcher.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 StyleEngine::StyleEngine(Document& document)
     : m_document(&document)
     , m_isMaster(!document.importsController() || document.importsController()->master() == &document)
     , m_pendingStylesheets(0)
-    , m_injectedStyleSheetCacheValid(false)
     , m_documentStyleSheetCollection(DocumentStyleSheetCollection::create(document))
     , m_documentScopeDirty(true)
     , m_usesSiblingRules(false)
     , m_usesFirstLineRules(false)
     , m_usesWindowInactiveSelector(false)
     , m_usesFirstLetterRules(false)
     , m_usesRemUnits(false)
     , m_maxDirectAdjacentSelectors(0)
     , m_ignorePendingStylesheets(false)
     , m_didCalculateResolver(false)
@@ skipping 13 matching lines @@
 {
     return isHTMLStyleElement(node) || isSVGStyleElement(node);
 }
 
 #if !ENABLE(OILPAN)
 void StyleEngine::detachFromDocument()
 {
     // Cleanup is performed eagerly when the StyleEngine is removed from the
     // document. The StyleEngine is unreachable after this, since only the
     // document has a reference to it.
-    for (unsigned i = 0; i < m_injectedAuthorStyleSheets.size(); ++i)
-        m_injectedAuthorStyleSheets[i]->clearOwnerNode();
     for (unsigned i = 0; i < m_authorStyleSheets.size(); ++i)
         m_authorStyleSheets[i]->clearOwnerNode();
 
     if (m_fontSelector) {
         m_fontSelector->clearDocument();
         m_fontSelector->unregisterForInvalidationCallbacks(this);
     }
 
     // Decrement reference counts for things we could be keeping alive.
     m_fontSelector.clear();
@@ skipping 118 matching lines @@
 }
 
 void StyleEngine::resetCSSFeatureFlags(const RuleFeatureSet& features)
 {
     m_usesSiblingRules = features.usesSiblingRules();
     m_usesFirstLineRules = features.usesFirstLineRules();
     m_usesWindowInactiveSelector = features.usesWindowInactiveSelector();
     m_maxDirectAdjacentSelectors = features.maxDirectAdjacentSelectors();
 }
 
-const WillBeHeapVector<RefPtrWillBeMember<CSSStyleSheet>>& StyleEngine::injectedAuthorStyleSheets() const
-{
-    updateInjectedStyleSheetCache();
-    return m_injectedAuthorStyleSheets;
-}
-
-void StyleEngine::updateInjectedStyleSheetCache() const
-{
-    if (m_injectedStyleSheetCacheValid)
-        return;
-    m_injectedStyleSheetCacheValid = true;
-    m_injectedAuthorStyleSheets.clear();
-
-    Page* owningPage = document().page();
-    if (!owningPage)
-        return;
-
-    const InjectedStyleSheetEntryVector& entries = InjectedStyleSheets::instance().entries();
-    for (unsigned i = 0; i < entries.size(); ++i) {
-        const InjectedStyleSheetEntry* entry = entries[i].get();
-        if (entry->injectedFrames() == InjectStyleInTopFrameOnly && document().ownerElement())
-            continue;
-        if (!URLPatternMatcher::matchesPatterns(document().url(), entry->whitelist()))
-            continue;
-        RefPtrWillBeRawPtr<CSSStyleSheet> groupSheet = CSSStyleSheet::createInline(m_document, KURL());
-        m_injectedAuthorStyleSheets.append(groupSheet);
-        groupSheet->contents()->parseString(entry->source());
-    }
-}
-
-void StyleEngine::invalidateInjectedStyleSheetCache()
-{
-    m_injectedStyleSheetCacheValid = false;
-    markDocumentDirty();
-    // FIXME: updateInjectedStyleSheetCache is called inside StyleSheetCollection::updateActiveStyleSheets
-    // and batch updates lots of sheets so we can't call addedStyleSheet() or removedStyleSheet().
-    document().styleResolverChanged();
-}
-
-void StyleEngine::compatibilityModeChanged()
-{
-    if (!m_injectedAuthorStyleSheets.isEmpty())
-        invalidateInjectedStyleSheetCache();
-}
-
 void StyleEngine::addAuthorSheet(PassRefPtrWillBeRawPtr<StyleSheetContents> authorSheet)
 {
     m_authorStyleSheets.append(CSSStyleSheet::create(authorSheet, m_document));
     document().addedStyleSheet(m_authorStyleSheets.last().get());
     markDocumentDirty();
 }
 
 void StyleEngine::addPendingSheet()
 {
     m_pendingStylesheets++;
@@ skipping 467 matching lines @@
     visitor->trace(m_dirtyTreeScopes);
     visitor->trace(m_activeTreeScopes);
     visitor->trace(m_fontSelector);
     visitor->trace(m_textToSheetCache);
     visitor->trace(m_sheetToTextCache);
 #endif
     CSSFontSelectorClient::trace(visitor);
 }
 
 }