Remove dead methods from CSSStyleSheet and StyleSheetContents.

sky/engine/core/css/CSSTestHelper.h

Index: sky/engine/core/css/CSSTestHelper.h
diff --git a/sky/engine/core/css/CSSTestHelper.h b/sky/engine/core/css/CSSTestHelper.h
deleted file mode 100644
index 691df29c21c7f349f3d7b695530c5c2aa0852c28..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/CSSTestHelper.h
+++ /dev/null
@@ -1,63 +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:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the name of Opera Software ASA 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 HOLDER 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.
- */
-
-#ifndef SKY_ENGINE_CORE_CSS_CSSTESTHELPER_H_
-#define SKY_ENGINE_CORE_CSS_CSSTESTHELPER_H_
-
-#include "sky/engine/core/css/RuleSet.h"
-#include "sky/engine/wtf/RefPtr.h"
-
-namespace blink {
-
-class Document;
-class CSSStyleSheet;
-
-// A helper class for writing tests of CSS rules. Example usage:
-//
-// CSSTestHelper helper;
-// helper.addCSSRule("body { color: red} #a { position: absolute }");
-// RuleSet& ruleSet = helper.ruleSet();
-// ... examine RuleSet to find the rule and test properties on it.
-
-class CSSTestHelper {
-public:
-    CSSTestHelper();
-    ~CSSTestHelper();
-
-    void addCSSRules(const char* ruleText);
-    RuleSet& ruleSet();
-
-private:
-    RefPtr<Document> m_document;
-    RefPtr<CSSStyleSheet> m_styleSheet;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_CSS_CSSTESTHELPER_H_