Add UMA stats for which icon types are shown and clicked on the NTP.

chrome/android/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/module_args/v8.gni")
 import("//chrome/version.gni")
 import("//testing/test.gni")
 import("//third_party/icu/config.gni")
@@ skipping 168 matching lines @@
 # GYP: //chrome/chrome_browser.gypi:connectivity_check_result_java
 # GYP: //chrome/chrome_browser.gypi:shortcut_source_java
 # GYP: //chrome/chrome_browser.gypi:profile_account_management_metrics_java
 # GYP: //chrome/chrome_browser.gypi:connection_security_levels_java
 # GYP: //chrome/chrome_browser.gypi:tab_load_status_java
 # GYP: //chrome/chrome_browser.gypi:infobar_action_type_java
 java_cpp_enum("chrome_android_java_enums_srcjar") {
   sources = [
     "//chrome/browser/android/activity_type_ids.h",
     "//chrome/browser/android/feedback/connectivity_checker.cc",
+    "//chrome/browser/android/most_visited_sites.cc",
     "//chrome/browser/android/shortcut_info.h",
     "//chrome/browser/android/tab_android.h",
     "//chrome/browser/profiles/profile_metrics.h",
     "//chrome/browser/ssl/security_state_model.h",
     "//chrome/browser/ui/android/infobars/infobar_android.h",
   ]
   outputs = [
     "org/chromium/chrome/browser/ActivityTypeIds.java",
     "org/chromium/chrome/browser/feedback/ConnectivityCheckResult.java",
+    "org/chromium/chrome/browser/ntp/MostVisitedTileType.java",
     "org/chromium/chrome/browser/ShortcutSource.java",
     "org/chromium/chrome/browser/TabLoadStatus.java",
     "org/chromium/chrome/browser/profiles/ProfileAccountManagementMetrics.java",
     "org/chromium/chrome/browser/ssl/ConnectionSecurityLevel.java",
     "org/chromium/chrome/browser/infobar/ActionType.java",
   ]
 }
 
 # GYP: //chrome/chrome_browser.gypi:document_tab_model_info_proto_java
 proto_java_library("document_tab_model_info_proto_java") {
@@ skipping 247 matching lines @@
   # TODO(GYP,cjhopman): Does this need version code/name?
   apk_name = "ChromePublicTest"
   apk_under_test = ":chrome_public_apk"
   android_manifest = chrome_public_test_apk_manifest
   deps = [
     ":chrome_public_test_apk_manifest",
     "//chrome/android:chrome_shared_test_java",
   ]
   isolate_file = "../chrome_public_test_apk.isolate"
 }