[Mac] Show the edit profile link after a dwell delay so that it doesn't flicker when scrubbing.

chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm

Index: chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm b/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm
index 909e0024a33776119a917eb935129263d3093be3..cd8ffd95c5043855b2c73668cd8e7f290b5e6c40 100644
--- a/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller_unittest.mm
@@ -167,13 +167,21 @@ TEST_F(AvatarMenuBubbleControllerTest, PerformLayout) {
 }
 
 - (void)animationDidEnd:(NSAnimation*)anim {
+  [super animationDidEnd:anim];
   pump_->Quit();
 }
 
 - (void)animationDidStop:(NSAnimation*)anim {
+  [super animationDidStop:anim];
   FAIL() << "Animation stopped before it completed its run";
   pump_->Quit();
 }
+
+- (void)sendHighlightMessageForMouseExited {
+  [self highlightForEventType:NSMouseExited];
+  // Quit the pump because the animation was cancelled before it even ran.
+  pump_->Quit();
+}
 @end
 
 TEST_F(AvatarMenuBubbleControllerTest, HighlightForEventType) {
@@ -209,6 +217,17 @@ TEST_F(AvatarMenuBubbleControllerTest, HighlightForEventType) {
 
   EXPECT_TRUE(editButton.isHidden);
   EXPECT_FALSE(emailField.isHidden);
+
+  // Now mouse over and out quickly, as if scrubbing through the menu, to test
+  // the hover dwell delay.
+  [item highlightForEventType:NSMouseEntered];
+  [item performSelector:@selector(sendHighlightMessageForMouseExited)
+             withObject:nil
+             afterDelay:0];
+  [item runMessagePump];
+
+  EXPECT_TRUE(editButton.isHidden);
+  EXPECT_FALSE(emailField.isHidden);
 }
 
 TEST_F(AvatarMenuBubbleControllerTest, DownArrow) {