Remove histograms NewTabPage.IconsReal/IconsColor/IconsGray

components/ntp_tiles/metrics_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/ntp_tiles/metrics.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <vector>
@@ skipping 54 matching lines @@
                           base::Bucket(/*min=*/ICON_COLOR, /*count=*/3),
                           base::Bucket(/*min=*/ICON_DEFAULT, /*count=*/1)));
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.server"),
               ElementsAre(base::Bucket(/*min=*/ICON_REAL, /*count=*/1),
                           base::Bucket(/*min=*/ICON_DEFAULT, /*count=*/1)));
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.client"),
               ElementsAre(base::Bucket(/*min=*/ICON_REAL, /*count=*/3),
                           base::Bucket(/*min=*/ICON_COLOR, /*count=*/2)));
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.popular"),
               ElementsAre(base::Bucket(/*min=*/ICON_COLOR, /*count=*/1)));
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsReal"),
-              ElementsAre(base::Bucket(/*min=*/4, /*count=*/1)));
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsColor"),
-              ElementsAre(base::Bucket(/*min=*/3, /*count=*/1)));
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsGray"),
-              ElementsAre(base::Bucket(/*min=*/1, /*count=*/1)));
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.IconsReal"),
               ElementsAre(base::Bucket(/*min=*/0, /*count=*/1),
                           base::Bucket(/*min=*/1, /*count=*/1),
                           base::Bucket(/*min=*/2, /*count=*/1),
                           base::Bucket(/*min=*/5, /*count=*/1)));
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.IconsColor"),
               ElementsAre(base::Bucket(/*min=*/3, /*count=*/1),
                           base::Bucket(/*min=*/4, /*count=*/1),
@@ skipping 25 matching lines @@
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.popular"),
               ElementsAre(base::Bucket(/*min=*/2, /*count=*/1)));
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType"), IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.server"),
               IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.client"),
               IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.TileType.popular"),
               IsEmpty());
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsReal"),
-              IsEmpty());
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsColor"),
-              IsEmpty());
-  EXPECT_THAT(histogram_tester.GetAllSamples("NewTabPage.IconsGray"),
-              IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.IconsReal"),
               IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.IconsColor"),
               IsEmpty());
   EXPECT_THAT(histogram_tester.GetAllSamples(
                   "NewTabPage.SuggestionsImpression.IconsGray"),
               IsEmpty());
 }
@@ skipping 69 matching lines @@
     EXPECT_TRUE(rappor_service.GetRecordedSampleForMetric(
         "NTP.SuggestionsImpressions.IconsGray", &sample, &type));
     EXPECT_EQ("site3.com", sample);
     EXPECT_EQ(rappor::ETLD_PLUS_ONE_RAPPOR_TYPE, type);
   }
 }
 
 }  // namespace
 }  // namespace metrics
 }  // namespace ntp_tiles