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

Source/core/css/analyzer/DescendantInvalidationSetTest.cpp

Index: Source/core/css/analyzer/DescendantInvalidationSetTest.cpp
diff --git a/Source/core/css/analyzer/DescendantInvalidationSetTest.cpp b/Source/core/css/analyzer/DescendantInvalidationSetTest.cpp
deleted file mode 100644
index fb2e480988cfcdc924cc2779111f521d49799ba1..0000000000000000000000000000000000000000
--- a/Source/core/css/analyzer/DescendantInvalidationSetTest.cpp
+++ /dev/null
@@ -1,76 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-#include "core/css/analyzer/DescendantInvalidationSet.h"
-
-#include <gtest/gtest.h>
-
-using namespace WebCore;
-
-namespace {
-
-// Once we setWholeSubtreeInvalid, we should not keep the HashSets.
-TEST(DescendantInvalidationSetTest, SubtreeInvalid_AddBefore)
-{
-    RefPtr<DescendantInvalidationSet> set = DescendantInvalidationSet::create();
-    set->addClass("a");
-    set->setWholeSubtreeInvalid();
-
-    Vector<AtomicString> classes;
-    set->getClasses(classes);
-
-    ASSERT_TRUE(classes.isEmpty());
-}
-
-// Don't (re)create HashSets if we've already setWholeSubtreeInvalid.
-TEST(DescendantInvalidationSetTest, SubtreeInvalid_AddAfter)
-{
-    RefPtr<DescendantInvalidationSet> set = DescendantInvalidationSet::create();
-    set->setWholeSubtreeInvalid();
-    set->addClass("a");
-
-    Vector<AtomicString> classes;
-    set->getClasses(classes);
-
-    ASSERT_TRUE(classes.isEmpty());
-}
-
-// No need to keep the HashSets when combining with a wholeSubtreeInvalid set.
-TEST(DescendantInvalidationSetTest, SubtreeInvalid_Combine_1)
-{
-    RefPtr<DescendantInvalidationSet> set1 = DescendantInvalidationSet::create();
-    RefPtr<DescendantInvalidationSet> set2 = DescendantInvalidationSet::create();
-
-    set1->addClass("a");
-    set2->setWholeSubtreeInvalid();
-
-    set1->combine(*set2);
-
-    Vector<AtomicString> classes;
-    set1->getClasses(classes);
-
-    ASSERT_TRUE(set1->wholeSubtreeInvalid());
-    ASSERT_TRUE(classes.isEmpty());
-}
-
-// No need to add HashSets from combining set when we already have wholeSubtreeInvalid.
-TEST(DescendantInvalidationSetTest, SubtreeInvalid_Combine_2)
-{
-    RefPtr<DescendantInvalidationSet> set1 = DescendantInvalidationSet::create();
-    RefPtr<DescendantInvalidationSet> set2 = DescendantInvalidationSet::create();
-
-    set1->setWholeSubtreeInvalid();
-    set2->addClass("a");
-
-    set1->combine(*set2);
-
-    Vector<AtomicString> classes;
-    set1->getClasses(classes);
-
-    ASSERT_TRUE(set1->wholeSubtreeInvalid());
-    ASSERT_TRUE(classes.isEmpty());
-}
-
-} // namespace