Remove dead methods from CSSStyleSheet and StyleSheetContents.

sky/engine/core/css/CSSSelectorTest.cpp

Index: sky/engine/core/css/CSSSelectorTest.cpp
diff --git a/sky/engine/core/css/CSSSelectorTest.cpp b/sky/engine/core/css/CSSSelectorTest.cpp
deleted file mode 100644
index cffd7b227ddd7a9337ad3a161ad1d1b034368961..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/CSSSelectorTest.cpp
+++ /dev/null
@@ -1,58 +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 "sky/engine/config.h"
-#include "sky/engine/core/css/CSSTestHelper.h"
-#include "sky/engine/core/css/RuleSet.h"
-
-#include <gtest/gtest.h>
-
-namespace blink {
-
-TEST(CSSSelector, Representations)
-{
-    CSSTestHelper helper;
-
-    const char* cssRules =
-    "summary::-webkit-details-marker { }"
-    "* {}"
-    "div {}"
-    "#id {}"
-    ".class {}"
-    "[attr] {}"
-    "div:hover {}"
-    "div:nth-child(2){}"
-    ".class#id { }"
-    "#id.class { }"
-    "[attr]#id { }"
-    "div[attr]#id { }"
-    "div::content { }"
-    "div::first-line { }"
-    ".a.b.c { }"
-    "div:not(.a) { }" // without class a
-    "div:not(:visited) { }" // without the visited pseudo class
-
-    "[attr=\"value\"] { }" // Exact equality
-    "[attr~=\"value\"] { }" // One of a space-separated list
-    "[attr^=\"value\"] { }" // Begins with
-    "[attr$=\"value\"] { }" // Ends with
-    "[attr*=\"value\"] { }" // Substring equal to
-    "[attr|=\"value\"] { }" // One of a hyphen-separated list
-
-    ".a .b { }" // .b is a descendant of .a
-    ".a > .b { }" // .b is a direct descendant of .a
-    ".a ~ .b { }" // .a precedes .b in sibling order
-    ".a + .b { }" // .a element immediately precedes .b in sibling order
-    ".a, .b { }" // matches .a or .b
-
-    ".a.b .c {}";
-
-    helper.addCSSRules(cssRules);
-    EXPECT_EQ(30u, helper.ruleSet().ruleCount()); // .a, .b counts as two rules.
-#ifndef NDEBUG
-    helper.ruleSet().show();
-#endif
-}
-
-} // namespace blink