[ios] Hide Displayed Badge when Fullscreen is enabled

Fixed: 1056251
Change-Id: I531de3583a0877e1925f1a8c322c11610f3b4416
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2078842Reviewed-by: Sergio Collazos <sczs@chromium.org>
Commit-Queue: Chris Lu <thegreenfrog@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745491}

ios/chrome/browser/ui/badges/badge_view_controller.mm

@@ -176,6 +176,7 @@ const CGFloat kUpdateDisplayedBadgeAnimationDamping = 0.85;
                                   kFullScreenProgressThreshold,
                               0);
     self.fullScreenBadge.alpha = alphaValue;
+    self.displayedBadge.hidden = YES;
   } else {
     self.fullScreenBadge.fullScreenOn = NO;
     // Fade in/out the FullScreen badge with the FullScreen off configurations
@@ -184,6 +185,7 @@ const CGFloat kUpdateDisplayedBadgeAnimationDamping = 0.85;
     CGFloat alphaValue = fmax((progress - kFullScreenProgressThreshold) /
                                   (1 - kFullScreenProgressThreshold),
                               0);
+    self.displayedBadge.hidden = NO;
     self.displayedBadge.alpha = alphaValue;
     self.fullScreenBadge.alpha = alphaValue;
   }