Remove the concept of document.documentElement

sky/engine/core/editing/SurroundingText.h

Index: sky/engine/core/editing/SurroundingText.h
diff --git a/sky/engine/core/editing/SurroundingText.h b/sky/engine/core/editing/SurroundingText.h
deleted file mode 100644
index b46c6a5a3e477ba5ec783aff83735204ce54c722..0000000000000000000000000000000000000000
--- a/sky/engine/core/editing/SurroundingText.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-#ifndef SKY_ENGINE_CORE_EDITING_SURROUNDINGTEXT_H_
-#define SKY_ENGINE_CORE_EDITING_SURROUNDINGTEXT_H_
-
-#include "sky/engine/platform/heap/Handle.h"
-#include "sky/engine/wtf/text/WTFString.h"
-
-namespace blink {
-
-class Position;
-class Range;
-
-class SurroundingText {
-    WTF_MAKE_NONCOPYABLE(SurroundingText);
-public:
-    SurroundingText(const Range&, unsigned maxLength);
-    SurroundingText(const Position&, unsigned maxLength);
-
-    String content() const;
-    unsigned startOffsetInContent() const;
-    unsigned endOffsetInContent() const;
-
-    PassRefPtr<Range> rangeFromContentOffsets(unsigned startOffsetInContent, unsigned endOffsetInContent);
-
-private:
-    void initialize(const Position&, const Position&, unsigned maxLength);
-
-    RefPtr<Range> m_contentRange;
-    size_t m_startOffsetInContent;
-    size_t m_endOffsetInContent;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_EDITING_SURROUNDINGTEXT_H_
-