GeolocationHeaderUnitTest: remove dependency on RecordHistogramJni

This dependency breaks the refactoring of java metrics.
The refactoring is a work in progress:
https://chromium-review.googlesource.com/c/chromium/src/+/1915193

Change-Id: I3ae2cacb86d49611a4e1f4311fe227c462c965d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1926509Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Gang Wu <gangwu@chromium.org>
Commit-Queue: bttk <bttk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717687}

chrome/android/junit/src/org/chromium/chrome/browser/omnibox/geo/GeolocationHeaderUnitTest.java

@@ -27,8 +27,7 @@ import org.robolectric.annotation.Config;
 import org.robolectric.annotation.Implementation;
 import org.robolectric.annotation.Implements;
 
-import org.chromium.base.metrics.RecordHistogram;
-import org.chromium.base.metrics.RecordHistogramJni;
+import org.chromium.base.metrics.test.DisableHistogramsRule;
 import org.chromium.base.test.BaseRobolectricTestRunner;
 import org.chromium.base.test.util.JniMocker;
 import org.chromium.chrome.browser.omnibox.geo.VisibleNetworks.VisibleCell;
@@ -100,8 +99,8 @@ public class GeolocationHeaderUnitTest {
     @Rule
     public JniMocker mocker = new JniMocker();
 
-    @Mock
-    RecordHistogram.Natives mRecordHistogramJniMock;
+    @Rule
+    public DisableHistogramsRule mDisableHistogramsRule = new DisableHistogramsRule();
 
     @Mock
     UrlUtilities.Natives mUrlUtilitiesJniMock;
@@ -115,7 +114,6 @@ public class GeolocationHeaderUnitTest {
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mocker.mock(RecordHistogramJni.TEST_HOOKS, mRecordHistogramJniMock);
         mocker.mock(UrlUtilitiesJni.TEST_HOOKS, mUrlUtilitiesJniMock);
         mocker.mock(WebsitePreferenceBridgeJni.TEST_HOOKS, mWebsitePreferenceBridgeJniMock);
         GeolocationTracker.setLocationAgeForTesting(null);