Remove the CSSOM.

sky/engine/core/css/CSSSupportsRule.cpp

Index: sky/engine/core/css/CSSSupportsRule.cpp
diff --git a/sky/engine/core/css/CSSSupportsRule.cpp b/sky/engine/core/css/CSSSupportsRule.cpp
deleted file mode 100644
index 867f3a7db82868596da99eac2f77653703c699f7..0000000000000000000000000000000000000000
--- a/sky/engine/core/css/CSSSupportsRule.cpp
+++ /dev/null
@@ -1,61 +0,0 @@
-/* Copyright (C) 2012 Motorola Mobility 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 Motorola Mobility 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 "sky/engine/config.h"
-#include "sky/engine/core/css/CSSSupportsRule.h"
-
-#include "sky/engine/core/css/CSSRule.h"
-#include "sky/engine/core/css/StyleRule.h"
-#include "sky/engine/wtf/text/StringBuilder.h"
-
-namespace blink {
-
-CSSSupportsRule::CSSSupportsRule(StyleRuleSupports* supportsRule, CSSStyleSheet* parent)
-    : CSSGroupingRule(supportsRule, parent)
-{
-}
-
-String CSSSupportsRule::cssText() const
-{
-    StringBuilder result;
-
-    result.appendLiteral("@supports ");
-    result.append(conditionText());
-    result.appendLiteral(" {\n");
-    appendCSSTextForItems(result);
-    result.append('}');
-
-    return result.toString();
-}
-
-String CSSSupportsRule::conditionText() const
-{
-    return toStyleRuleSupports(m_groupRule.get())->conditionText();
-}
-
-} // namespace blink