Remove ViewportAnchor.

sky/engine/web/ViewportAnchor.h

Index: sky/engine/web/ViewportAnchor.h
diff --git a/sky/engine/web/ViewportAnchor.h b/sky/engine/web/ViewportAnchor.h
deleted file mode 100644
index 92b906890305698b07fb44492add76810849e0ab..0000000000000000000000000000000000000000
--- a/sky/engine/web/ViewportAnchor.h
+++ /dev/null
@@ -1,77 +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.
- */
-
-#ifndef ViewportAnchor_h
-#define ViewportAnchor_h
-
-#include "platform/geometry/FloatSize.h"
-#include "platform/geometry/IntPoint.h"
-#include "platform/geometry/IntRect.h"
-#include "platform/geometry/LayoutRect.h"
-#include "platform/heap/Handle.h"
-#include "wtf/RefCounted.h"
-
-namespace blink {
-
-class EventHandler;
-class IntSize;
-class Node;
-
-// ViewportAnchor provides a way to anchor a viewport origin to a DOM node.
-// In particular, the user supplies the current viewport (in CSS coordinates)
-// and an anchor point (in view coordinates, e.g., (0, 0) == viewport origin,
-// (0.5, 0) == viewport top center). The anchor point tracks the underlying DOM
-// node; as the node moves or the view is resized, the viewport anchor maintains
-// its orientation relative to the node, and the viewport origin maintains its
-// orientation relative to the anchor.
-class ViewportAnchor {
-    STACK_ALLOCATED();
-public:
-    explicit ViewportAnchor(EventHandler*);
-
-    void setAnchor(const IntRect& viewRect, const FloatSize& anchorInViewCoords);
-
-    IntPoint computeOrigin(const IntSize& currentViewSize) const;
-
-private:
-    RawPtr<EventHandler> m_eventHandler;
-
-    IntRect m_viewRect;
-
-    RefPtr<Node> m_anchorNode;
-    LayoutRect m_anchorNodeBounds;
-
-    FloatSize m_anchorInViewCoords;
-    FloatSize m_anchorInNodeCoords;
-};
-
-} // namespace blink
-
- #endif