Further deflake PopupTest#testPopupWindowsAppearWhenAllowed

This removes the other check that ensures a specific number of
infobars isn't showing.  This could be breaking if the translate
infobar showed up.

Stack:
java.lang.AssertionError: Criteria not met in allotted time.
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.chromium.content.browser.test.util.CriteriaHelper.pollInstrumentationThread(CriteriaHelper.java:93)
	at org.chromium.content.browser.test.util.CriteriaHelper.pollUiThread(CriteriaHelper.java:172)
	at org.chromium.chrome.browser.PopupTest.testPopupWindowsAppearWhenAllowed(PopupTest.java:178)

BUG=771103

Change-Id: If439b42e6d0f63fa61cd75ea48bddb2e42571994
Reviewed-on: https://chromium-review.googlesource.com/1101830Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Ted Choc <tedchoc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#567702}

chrome/android/javatests/src/org/chromium/chrome/browser/PopupTest.java

@@ -175,13 +175,10 @@ public class PopupTest {
 
         // Document mode popups appear slowly and sequentially to prevent Android from throwing them
         // away, so use a long timeout.  http://crbug.com/498920.
-        CriteriaHelper.pollUiThread(new Criteria() {
-            @Override
-            public boolean isSatisfied() {
-                if (getNumInfobarsShowing() != 0) return false;
-                return TextUtils.equals("Two", selector.getCurrentTab().getTitle());
-            }
-        }, 7500, CriteriaHelper.DEFAULT_POLLING_INTERVAL);
+        CriteriaHelper.pollUiThread(
+                Criteria.equals("Two", () -> selector.getCurrentTab().getTitle()), 7500,
+                CriteriaHelper.DEFAULT_POLLING_INTERVAL);
+        waitForNoInfoBarOfType(InfoBarIdentifier.POPUP_BLOCKED_INFOBAR_DELEGATE_MOBILE);
 
         Assert.assertEquals(3, selector.getTotalTabCount());
         int currentTabId = selector.getCurrentTab().getId();