highlighted search matches should be scrolled to

the center of the view port

src/ace/Editor.js

@@ -861,6 +861,10 @@ var Editor = function(renderer, doc) {
         }
     };
 
+    this.getLastSearchOptions = function() {
+        return this.$search.getOptions();
+    };
+
     this.find = function(needle, options) {
         this.clearSelection();
         options = options || {};

src/ace/Search.js

@@ -32,6 +32,10 @@ Search.SELECTION = 2;
         oop.mixin(this.$options, options);
         return this;
     };
+    
+    this.getOptions = function() {
+        return lang.copyObject(this.$options);
+    };
 
     this.find = function(doc) {
         if (!this.$options.needle)

src/ace/VirtualRenderer.js

@@ -257,11 +257,11 @@ var VirtualRenderer = function(container, theme) {
     };
 
     this.getFirstVisibleRow = function() {
-        return this.layerConfig.firstRow || 0;
+        return (this.layerConfig || {}).firstRow || 0;
     };
 
     this.getLastVisibleRow = function() {
-        return this.layerConfig.lastRow || 0;
+        return (this.layerConfig || {}).lastRow || 0;
     };
 
     this.onScroll = function(e) {