Rework compositor touch hit testing

Source/core/testing/LayerRect.h

 /*
  * 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
@@ skipping 10 matching lines @@
  * 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 Composition_h
-#define Composition_h
+#ifndef LayerRect_h
+#define LayerRect_h
 
-#include "bindings/v8/ScriptWrappable.h"
+#include "core/dom/ClientRect.h"
+
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Node;
-class Range;
 
-class Composition : public RefCounted<Composition>, public ScriptWrappable {
+class LayerRect : public RefCounted<LayerRect> {
 public:
-    static PassRefPtr<Composition> create(Node*, Range*);
-    ~Composition();
+    static PassRefPtr<LayerRect> create(PassRefPtr<Node> node, PassRefPtr<ClientRect> rect)
+    {
+        return adoptRef(new LayerRect(node, rect));
+    }
 
-    Node* text() const { return m_text.get(); }
-    Range* caret() const { return m_caret.get(); }
+    Node* layerRootNode() const { return m_layerRootNode.get(); }
+    ClientRect* layerRelativeRect() const { return m_rect.get(); }
 
 private:
-    Composition(Node*, Range*);
+    LayerRect(PassRefPtr<Node> node, PassRefPtr<ClientRect> rect)
+        : m_layerRootNode(node)
+        , m_rect(rect)
+    {
+    }
 
-    RefPtr<Node> m_text;
-    RefPtr<Range> m_caret;
+    RefPtr<Node> m_layerRootNode;
+    RefPtr<ClientRect> m_rect;
 };
 
 } // namespace WebCore
 
-#endif // Composition_h
+#endif