Remove not-used Android RAPPOR metrics.

Bug: 1016906
Change-Id: Ibf0bce1a5528b6e9495413342b84128687d5ba7d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1872477Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Commit-Queue: Robert Kaplow <rkaplow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708603}

chrome/android/java/src/org/chromium/chrome/browser/IntentHandler.java

@@ -40,7 +40,6 @@ import org.chromium.chrome.browser.externalnav.ExternalNavigationDelegateImpl;
 import org.chromium.chrome.browser.externalnav.IntentWithGesturesHandler;
 import org.chromium.chrome.browser.offlinepages.OfflinePageUtils;
 import org.chromium.chrome.browser.omnibox.suggestions.AutocompleteCoordinatorFactory;
-import org.chromium.chrome.browser.rappor.RapporServiceBridge;
 import org.chromium.chrome.browser.search_engines.TemplateUrlServiceFactory;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tabmodel.TabLaunchType;
@@ -411,12 +410,6 @@ public class IntentHandler {
         int externalId = determineExternalIntentSource(intent);
         RecordHistogram.recordEnumeratedHistogram(
                 "MobileIntent.PageLoadDueToExternalApp", externalId, ExternalAppId.NUM_ENTRIES);
-        if (externalId == ExternalAppId.OTHER) {
-            String appId = IntentUtils.safeGetStringExtra(intent, Browser.EXTRA_APPLICATION_ID);
-            if (!TextUtils.isEmpty(appId)) {
-                RapporServiceBridge.sampleString("Android.PageLoadDueToExternalApp", appId);
-            }
-        }
     }
 
     /**
@@ -429,9 +422,6 @@ public class IntentHandler {
                 IntentHandler.EXTRA_EXTERNAL_NAV_PACKAGES);
         if (packages != null && packages.size() > 0) {
             RecordUserAction.record("MobileExternalNavigationReceived");
-            for (String name : packages) {
-                RapporServiceBridge.sampleString("Android.ExternalNavigationNotChosen", name);
-            }
         }
     }
 

tools/metrics/rappor/rappor.xml

@@ -101,24 +101,6 @@ components/rappor/rappor_parameters.h.
 <!-- Rappor metric definitions -->
 
 <rappor-metrics>
-<rappor-metric name="Android.ExternalNavigationNotChosen"
-    type="UMA_RAPPOR_TYPE">
-  <owner>mariakhomenko@chromium.org</owner>
-  <summary>
-    The package name of an application that was given as an alternative choice
-    to handling a URL in Chrome, but wasn't chosen.
-  </summary>
-</rappor-metric>
-
-<rappor-metric name="Android.PageLoadDueToExternalApp" type="UMA_RAPPOR_TYPE">
-  <owner>mariakhomenko@chromium.org</owner>
-  <summary>
-    The package name of an application that sent an intent to Chrome. The name
-    is taken from EXTRA_APPLICATION_ID passed to Chrome in the intent by the
-    application.
-  </summary>
-</rappor-metric>
-
 <rappor-metric name="AppBanner.NativeApp.Dismissed" type="ETLD_PLUS_ONE">
   <owner>dfalcantara@chromium.org</owner>
   <summary>