Merge pull request #1778 from Dashue/googlemaps.infobubble.getposition

added getPosition();

googlemaps.infobubble/google.maps.infobubble-tests.ts

@@ -26,8 +26,11 @@ function test_bubble() {
     var map: google.maps.Map;
     var marker: google.maps.Marker;
     var bubble: google.maps.infobubble.InfoBubble;
+    var position: google.maps.LatLng;
 
     bubble.open(map, marker);
     var isOpen = bubble.isOpen();
     bubble.close();
+    
+    position = bubble.getPosition();
 }

googlemaps.infobubble/google.maps.infobubble.d.ts

@@ -57,6 +57,11 @@ declare module google.maps.infobubble {
           * @marker The marker used for anchoring the infobubble to
           */
         open(map: google.maps.Map, marker: google.maps.Marker) : void;
+		
+		/**
+          * Returns the position of the InfoBubble
+          */
+        getPosition(): google.maps.LatLng; 
     }
 
     export interface InfoBubbleOptions {