Mark UrlManagerTest#testAddUrlGarbageCollectsForSize flaky

chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java
index db518c57db22f8cfb42f43aa011d8359e84dca3e..f5326fd8b085d79888958ce26be33685a2652c78 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/physicalweb/UrlManagerTest.java
@@ -9,6 +9,7 @@ import android.support.test.filters.SmallTest;
 import android.test.InstrumentationTestCase;
 
 import org.chromium.base.ContextUtils;
+import org.chromium.base.test.util.DisabledTest
 import org.chromium.base.test.util.FlakyTest;
 import org.chromium.base.test.util.RetryOnFailure;
 import org.chromium.chrome.test.util.browser.notifications.MockNotificationManagerProxy;
@@ -224,8 +225,11 @@ public class UrlManagerTest extends InstrumentationTestCase {
         assertEquals(0, mMockNotificationManagerProxy.getNotifications().size());
     }
 
-    @SmallTest
-    @RetryOnFailure
+    /*
+     * @SmallTest
+     * Bug=crbug.com/683923
+     */
+    @DisabledTest
     public void testAddUrlGarbageCollectsForSize() throws Exception {
         // Add and remove 101 URLs, making sure one is clearly slightly older than the others.
         addEmptyPwsResult();