2016-03-02T18:53:01 LayoutPosition

components/test_runner/text_input_controller.cc

Index: components/test_runner/text_input_controller.cc
diff --git a/components/test_runner/text_input_controller.cc b/components/test_runner/text_input_controller.cc
index 4a7b4522fdd724541619861ad96986baf63b44b5..5aeecda853efd3c544700ddfe45dc5089ae92fd2 100644
--- a/components/test_runner/text_input_controller.cc
+++ b/components/test_runner/text_input_controller.cc
@@ -220,9 +220,11 @@ std::vector<int> TextInputController::SelectedRange() {
 
   blink::WebRange range = view()->mainFrame()->selectionRange();
   std::vector<int> int_array(2);
-  int_array[0] = range.startOffset();
-  int_array[1] = range.endOffset();
-
+  if (!range.isNull()) {
+    // editing/selection/5825350-1.html
+    int_array[0] = range.startOffset();
+    int_array[1] = range.endOffset();
+  }
   return int_array;
 }