Cleanup WebKit prefixed names for classes in css directory.

Source/core/css/WebKitCSSViewportRule.h

Index: Source/core/css/WebKitCSSViewportRule.h
diff --git a/Source/core/css/WebKitCSSViewportRule.h b/Source/core/css/WebKitCSSViewportRule.h
deleted file mode 100644
index f275f4cb4d4e27d146f54d5726a59800c06cb6a6..0000000000000000000000000000000000000000
--- a/Source/core/css/WebKitCSSViewportRule.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2012 Intel Corporation. All rights reserved.
- * Copyright (C) 2012 Apple 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.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “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 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 WebKitCSSViewportRule_h
-#define WebKitCSSViewportRule_h
-
-#if ENABLE(CSS_DEVICE_ADAPTATION)
-
-#include "core/css/CSSRule.h"
-
-namespace WebCore {
-
-class CSSStyleDeclaration;
-class StyleRuleViewport;
-class StyleRuleCSSStyleDeclaration;
-
-class WebKitCSSViewportRule: public CSSRule {
-public:
-    static PassRefPtr<WebKitCSSViewportRule> create(StyleRuleViewport* viewportRule, CSSStyleSheet* sheet)
-    {
-        return adoptRef(new WebKitCSSViewportRule(viewportRule, sheet));
-    }
-    ~WebKitCSSViewportRule();
-
-    virtual CSSRule::Type type() const OVERRIDE { return WEBKIT_VIEWPORT_RULE; }
-    virtual String cssText() const OVERRIDE;
-    virtual void reattach(StyleRuleBase*) OVERRIDE;
-    virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
-
-    CSSStyleDeclaration* style() const;
-
-private:
-    WebKitCSSViewportRule(StyleRuleViewport*, CSSStyleSheet*);
-
-    RefPtr<StyleRuleViewport> m_viewportRule;
-    mutable RefPtr<StyleRuleCSSStyleDeclaration> m_propertiesCSSOMWrapper;
-};
-
-} // namespace WebCore
-
-#endif // WebKitCSSViewportRule_h
-
-#endif // ENABLE(CSS_DEVICE_ADAPTATION)