Move all style invalidation code into the css/invalidation directory.

Source/core/css/analyzer/DescendantInvalidationSet.cpp

Index: Source/core/css/analyzer/DescendantInvalidationSet.cpp
diff --git a/Source/core/css/analyzer/DescendantInvalidationSet.cpp b/Source/core/css/analyzer/DescendantInvalidationSet.cpp
deleted file mode 100644
index 7b46598300aeaaf8be3b127e8ca4703e5c43301b..0000000000000000000000000000000000000000
--- a/Source/core/css/analyzer/DescendantInvalidationSet.cpp
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Copyright (C) 2014 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/css/analyzer/DescendantInvalidationSet.h"
-
-#include "core/css/resolver/StyleResolver.h"
-#include "core/dom/Element.h"
-
-namespace WebCore {
-
-DescendantInvalidationSet::DescendantInvalidationSet()
-    : m_allDescendantsMightBeInvalid(false)
-{
-}
-
-void DescendantInvalidationSet::combine(const DescendantInvalidationSet& other)
-{
-    // No longer bother combining data structures, since the whole subtree is deemed invalid.
-    if (wholeSubtreeInvalid())
-        return;
-
-    if (other.wholeSubtreeInvalid()) {
-        setWholeSubtreeInvalid();
-        return;
-    }
-
-    if (other.m_classes) {
-        HashSet<AtomicString>::const_iterator end = other.m_classes->end();
-        for (HashSet<AtomicString>::const_iterator it = other.m_classes->begin(); it != end; ++it)
-            addClass(*it);
-    }
-
-    if (other.m_ids) {
-        HashSet<AtomicString>::const_iterator end = other.m_ids->end();
-        for (HashSet<AtomicString>::const_iterator it = other.m_ids->begin(); it != end; ++it)
-            addId(*it);
-    }
-
-    if (other.m_tagNames) {
-        HashSet<AtomicString>::const_iterator end = other.m_tagNames->end();
-        for (HashSet<AtomicString>::const_iterator it = other.m_tagNames->begin(); it != end; ++it)
-            addTagName(*it);
-    }
-
-    if (other.m_attributes) {
-        HashSet<AtomicString>::const_iterator end = other.m_attributes->end();
-        for (HashSet<AtomicString>::const_iterator it = other.m_attributes->begin(); it != end; ++it)
-            addAttribute(*it);
-    }
-}
-
-HashSet<AtomicString>& DescendantInvalidationSet::ensureClassSet()
-{
-    if (!m_classes)
-        m_classes = adoptPtr(new HashSet<AtomicString>);
-    return *m_classes;
-}
-
-HashSet<AtomicString>& DescendantInvalidationSet::ensureIdSet()
-{
-    if (!m_ids)
-        m_ids = adoptPtr(new HashSet<AtomicString>);
-    return *m_ids;
-}
-
-HashSet<AtomicString>& DescendantInvalidationSet::ensureTagNameSet()
-{
-    if (!m_tagNames)
-        m_tagNames = adoptPtr(new HashSet<AtomicString>);
-    return *m_tagNames;
-}
-
-HashSet<AtomicString>& DescendantInvalidationSet::ensureAttributeSet()
-{
-    if (!m_attributes)
-        m_attributes = adoptPtr(new HashSet<AtomicString>);
-    return *m_attributes;
-}
-
-void DescendantInvalidationSet::addClass(const AtomicString& className)
-{
-    if (wholeSubtreeInvalid())
-        return;
-    ensureClassSet().add(className);
-}
-
-void DescendantInvalidationSet::addId(const AtomicString& id)
-{
-    if (wholeSubtreeInvalid())
-        return;
-    ensureIdSet().add(id);
-}
-
-void DescendantInvalidationSet::addTagName(const AtomicString& tagName)
-{
-    if (wholeSubtreeInvalid())
-        return;
-    ensureTagNameSet().add(tagName);
-}
-
-void DescendantInvalidationSet::addAttribute(const AtomicString& attribute)
-{
-    if (wholeSubtreeInvalid())
-        return;
-    ensureAttributeSet().add(attribute);
-}
-
-void DescendantInvalidationSet::getClasses(Vector<AtomicString>& classes) const
-{
-    if (!m_classes)
-        return;
-    for (HashSet<AtomicString>::const_iterator it = m_classes->begin(); it != m_classes->end(); ++it)
-        classes.append(*it);
-}
-
-void DescendantInvalidationSet::getAttributes(Vector<AtomicString>& attributes) const
-{
-    if (!m_attributes)
-        return;
-    for (HashSet<AtomicString>::const_iterator it = m_attributes->begin(); it != m_attributes->end(); ++it)
-        attributes.append(*it);
-}
-
-void DescendantInvalidationSet::setWholeSubtreeInvalid()
-{
-    if (m_allDescendantsMightBeInvalid)
-        return;
-
-    m_allDescendantsMightBeInvalid = true;
-    m_classes = nullptr;
-    m_ids = nullptr;
-    m_tagNames = nullptr;
-    m_attributes = nullptr;
-}
-
-} // namespace WebCore