Remove WebSelector, it's not used.

sky/engine/web/WebSelector.cpp

Index: sky/engine/web/WebSelector.cpp
diff --git a/sky/engine/web/WebSelector.cpp b/sky/engine/web/WebSelector.cpp
deleted file mode 100644
index 783df6b4f71af4ddc4416ff3c512218037c25b10..0000000000000000000000000000000000000000
--- a/sky/engine/web/WebSelector.cpp
+++ /dev/null
@@ -1,55 +0,0 @@
-/*
- * Copyright (C) 2013 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google 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 "config.h"
-#include "public/web/WebSelector.h"
-
-#include "core/css/CSSSelectorList.h"
-#include "core/css/parser/BisonCSSParser.h"
-#include "public/platform/WebString.h"
-
-namespace blink {
-
-WebString canonicalizeSelector(WebString webSelector, WebSelectorType restriction)
-{
-    BisonCSSParser parser(strictCSSParserContext());
-    CSSSelectorList selectorList;
-    parser.parseSelector(webSelector, selectorList);
-
-    if (restriction == WebSelectorTypeCompound) {
-        for (const CSSSelector* selector = selectorList.first(); selector; selector = selectorList.next(*selector)) {
-            if (!selector->isCompound())
-                return WebString();
-        }
-    }
-    return selectorList.selectorsText();
-}
-
-} // namespace blink