Add NewTabPage.TileType and .TileTypeClicked on Android

components/ntp_tiles/most_visited_sites.cc

 // Copyright 2013 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/most_visited_sites.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 215 matching lines @@
   }
 }
 
 void MostVisitedSites::RecordTileTypeMetrics(
     const std::vector<int>& tile_types,
     const std::vector<int>& sources) {
   int counts_per_type[NUM_TILE_TYPES] = {0};
   for (size_t i = 0; i < tile_types.size(); ++i) {
     int tile_type = tile_types[i];
     ++counts_per_type[tile_type];
+
+    UMA_HISTOGRAM_ENUMERATION("NewTabPage.TileType", tile_type, NUM_TILE_TYPES);
+
     std::string histogram = base::StringPrintf(
         "NewTabPage.TileType.%s",
         GetSourceHistogramName(sources[i]).c_str());
     LogHistogramEvent(histogram, tile_type, NUM_TILE_TYPES);
   }
 
   UMA_HISTOGRAM_SPARSE_SLOWLY("NewTabPage.IconsReal",
                               counts_per_type[ICON_REAL]);
   UMA_HISTOGRAM_SPARSE_SLOWLY("NewTabPage.IconsColor",
                               counts_per_type[ICON_COLOR]);
   UMA_HISTOGRAM_SPARSE_SLOWLY("NewTabPage.IconsGray",
                               counts_per_type[ICON_DEFAULT]);
 }
 
 void MostVisitedSites::RecordOpenedMostVisitedItem(int index,
                                                    int tile_type,
                                                    int source) {
   UMA_HISTOGRAM_ENUMERATION("NewTabPage.MostVisited", index, num_sites_);
 
   std::string histogram = base::StringPrintf(
       "NewTabPage.MostVisited.%s", GetSourceHistogramName(source).c_str());
   LogHistogramEvent(histogram, index, num_sites_);
 
+  UMA_HISTOGRAM_ENUMERATION(
+      "NewTabPage.TileTypeClicked", tile_type, NUM_TILE_TYPES);
+
   histogram = base::StringPrintf("NewTabPage.TileTypeClicked.%s",
                                  GetSourceHistogramName(source).c_str());
   LogHistogramEvent(histogram, tile_type, NUM_TILE_TYPES);
 }
 
 void MostVisitedSites::OnBlockedSitesChanged() {
   BuildCurrentSuggestions();
 }
 
 // static
@@ skipping 274 matching lines @@
 
 void MostVisitedSites::TopSitesChanged(TopSites* top_sites,
                                        ChangeReason change_reason) {
   if (mv_source_ == TOP_SITES) {
     // The displayed suggestions are invalidated.
     InitiateTopSitesQuery();
   }
 }
 
 }  // namespace ntp_tiles