Rework compositor touch hit testing

Source/core/testing/LayerRectList.h

Index: Source/core/testing/LayerRectList.h
diff --git a/Source/core/html/ime/Composition.h b/Source/core/testing/LayerRectList.h
similarity index 76%
copy from Source/core/html/ime/Composition.h
copy to Source/core/testing/LayerRectList.h
index 6562b5f75fd19cc8e80409327f7f8a5881bcf1df..d46d1dc78b860fb94990d7c74a22df42873e602f 100644
--- a/Source/core/html/ime/Composition.h
+++ b/Source/core/testing/LayerRectList.h
@@ -28,34 +28,36 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef Composition_h
-#define Composition_h
+#ifndef LayerRectList_h
+#define LayerRectList_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
+#include "wtf/Vector.h"
 
 namespace WebCore {
 
+class ClientRect;
+class ClientRectList;
+class LayerRect;
 class Node;
-class Range;
 
-class Composition : public RefCounted<Composition>, public ScriptWrappable {
+class LayerRectList : public RefCounted<LayerRectList> {
 public:
-    static PassRefPtr<Composition> create(Node*, Range*);
-    ~Composition();
+    static PassRefPtr<LayerRectList> create() { return adoptRef(new LayerRectList); }
+    ~LayerRectList();
 
-    Node* text() const { return m_text.get(); }
-    Range* caret() const { return m_caret.get(); }
+    unsigned length() const;
+    LayerRect* item(unsigned index);
+    void append(PassRefPtr<Node> layerRootNode, PassRefPtr<ClientRect> layerRelativeRect);
 
 private:
-    Composition(Node*, Range*);
+    LayerRectList();
 
-    RefPtr<Node> m_text;
-    RefPtr<Range> m_caret;
+    Vector<RefPtr<LayerRect> > m_list;
 };
 
 } // namespace WebCore
 
-#endif // Composition_h
+#endif // ClientRectList_h