[MD Bookmarks] Refactor window timer mocking.

chrome/test/data/webui/md_bookmarks/toast_manager_test.js

Index: chrome/test/data/webui/md_bookmarks/toast_manager_test.js
diff --git a/chrome/test/data/webui/md_bookmarks/toast_manager_test.js b/chrome/test/data/webui/md_bookmarks/toast_manager_test.js
index 8830c8b2272d12876227a816998375a39abc4c9c..018e020d141b371031181443bf37f8ccb839b356 100644
--- a/chrome/test/data/webui/md_bookmarks/toast_manager_test.js
+++ b/chrome/test/data/webui/md_bookmarks/toast_manager_test.js
@@ -25,24 +25,17 @@ suite('<bookmarks-toast-manager>', function() {
   });
 
   test('auto hide', function() {
-    toastManager.duration = 100;
+    var timerProxy = new bookmarks.TestTimerProxy();
+    timerProxy.immediatelyResolveTimeouts = false;
+    toastManager.timerProxy_ = timerProxy;
 
-    var timeoutFunc = null;
-    var timeoutCounter = 0;
-    var clearedTimeout = null;
-    toastManager.setTimeout_ = function(f) {
-      timeoutFunc = f;
-      return timeoutCounter++;
-    };
-    toastManager.clearTimeout_ = function(n) {
-      clearedTimeout = n;
-    };
+    toastManager.duration = 100;
 
     toastManager.show('test', false);
     assertEquals(0, toastManager.hideTimeout_);
     assertTrue(toastManager.open_);
 
-    timeoutFunc();
+    timerProxy.runTimeoutFn(0);
     assertEquals(null, toastManager.hideTimeout_);
     assertFalse(toastManager.open_);
 
@@ -52,7 +45,7 @@ suite('<bookmarks-toast-manager>', function() {
     assertTrue(toastManager.open_);
 
     toastManager.show('test2', false);
-    assertEquals(1, clearedTimeout);
+    assertFalse(timerProxy.hasTimeout(1));
     assertEquals(2, toastManager.hideTimeout_);
     assertTrue(toastManager.open_);
   });