[AW] Cleanup histograms: Android.WebView.ConnectedToVariationService

Fixed: 1217220
Change-Id: I6bdf7afa7b9caf0c537c1a27460f56a746c23e04
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2953921
Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Michael Thiessen <mthiesse@chromium.org>
Auto-Submit: Hazem Ashmawy <hazems@chromium.org>
Commit-Queue: Michael Thiessen <mthiesse@chromium.org>
Cr-Commit-Position: refs/heads/master@{#893038}

android_webview/java/src/org/chromium/android_webview/variations/VariationsSeedLoader.java

@@ -213,17 +213,13 @@ public class VariationsSeedLoader {
                 VariationsUtils.replaceOldWithNewSeed();
             }
 
-            boolean connectedToVariationsService = false;
             if (mNeedNewSeed) {
                 // The new seed will arrive asynchronously; the new seed file is written by the
                 // service, and may complete after this app process has died.
-                connectedToVariationsService = requestSeedFromService(mCurrentSeedDate);
+                requestSeedFromService(mCurrentSeedDate);
                 VariationsUtils.updateStampTime();
             }
 
-            RecordHistogram.recordBooleanHistogram(
-                    "Android.WebView.ConnectedToVariationService", connectedToVariationsService);
-
             onBackgroundWorkFinished();
         }
 

tools/metrics/histograms/histograms_xml/android/histograms.xml

@@ -2923,6 +2923,9 @@ reviews. Googlers can read more about this at go/gwsq-gerrit.
 
 <histogram name="Android.WebView.ConnectedToVariationService" enum="Boolean"
     expires_after="M93">
+  <obsolete>
+    Removed Jun 2021 for cleanup (no longer needed): https://crbug.com/1217220
+  </obsolete>
   <owner>hazems@chromium.org</owner>
   <owner>webview-team@google.com</owner>
   <summary>