Adds unit tests for swipe flick.

ui/keyboard/resources/elements/kb-keyboard.html

Index: ui/keyboard/resources/elements/kb-keyboard.html
diff --git a/ui/keyboard/resources/elements/kb-keyboard.html b/ui/keyboard/resources/elements/kb-keyboard.html
index 9546c48ecb898195975cb836ba16f3463aa38cba..e0f0663b6fffd8963f8ca347d81c872497667075 100644
--- a/ui/keyboard/resources/elements/kb-keyboard.html
+++ b/ui/keyboard/resources/elements/kb-keyboard.html
@@ -351,7 +351,7 @@
 
       ready: function() {
         this.voiceInput_ = new VoiceInput(this);
-        this.swipeHandler = this.updateSwipeTracker.bind(this);
+        this.swipeHandler = this.move.bind(this);
       },
 
       /**
@@ -472,7 +472,7 @@
        * status so that PointerEvents can be converted to Swipe events.
        * @param {PointerEvent} event.
        */
-      updateSwipeTracker: function(event) {
+      move: function(event) {
         if (!swipeTracker.update(event))
           return;
         // Conversion was successful, swipe is now in progress.