Rework compositor touch hit testing

Source/core/testing/LayerRectList.idl

Index: Source/core/testing/LayerRectList.idl
diff --git a/Source/core/dom/ClientRectList.idl b/Source/core/testing/LayerRectList.idl
similarity index 87%
copy from Source/core/dom/ClientRectList.idl
copy to Source/core/testing/LayerRectList.idl
index 2d35d6785ead4b0418c6dceb2c2a0a952fd7b8b6..4b1f4dc02d167a466567a2ca1319eeb2560301af 100644
--- a/Source/core/dom/ClientRectList.idl
+++ b/Source/core/testing/LayerRectList.idl
@@ -20,14 +20,13 @@
  * 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. 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
 [
-] interface ClientRectList {
+] interface LayerRectList {
     readonly attribute unsigned long length;
-    getter ClientRect item([IsIndex,Default=Undefined] optional unsigned long index);
-    // FIXME: Fix list behavior to allow custom exceptions to be thrown.
+    getter LayerRect item([IsIndex,Default=Undefined] optional unsigned long index);
 };