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

chrome/chrome.gyp

 # Copyright (c) 2012 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.
 {
   'variables': {
     'chromium_code': 1,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 556 matching lines @@
             'chrome_resources.gyp:chrome_strings',
             'chrome_strings_grd',
             'chrome_version_java',
             'connection_security_levels_java',
             'connectivity_check_result_java',
             'document_tab_model_info_proto_java',
             'infobar_action_type_java',
             'profile_account_management_metrics_java',
             'content_setting_java',
             'content_settings_type_java',
+            'most_visited_tile_type_java',
             'page_info_connection_type_java',
             'resource_id_java',
             'tab_load_status_java',
             'shortcut_source_java',
             '../base/base.gyp:base',
             '../chrome/android/chrome_apk.gyp:custom_tabs_service_aidl',
             '../components/components.gyp:bookmarks_java',
             '../components/components.gyp:dom_distiller_core_java',
             '../components/components.gyp:enhanced_bookmarks_java_enums_srcjar',
             '../components/components.gyp:gcm_driver_java',
@@ skipping 240 matching lines @@
                   '<(DEPTH)/third_party/kasko'
                 ],
               },
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }