Record language usage as UMA histograms.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 19 matching lines @@
         'userfeedback_proto',
         '../build/temp_gyp/googleurl.gyp:googleurl',
         '../content/content.gyp:content_browser',
         '../crypto/crypto.gyp:crypto',
         '../media/media.gyp:media',
         '../net/net.gyp:net',
         '../ppapi/ppapi_internal.gyp:ppapi_proxy',  # For PpapiMsg_LoadPlugin
         '../printing/printing.gyp:printing',
         '../skia/skia.gyp:skia',
         '../third_party/bzip2/bzip2.gyp:bzip2',
+        '../third_party/cld/cld.gyp:cld',
         '../third_party/expat/expat.gyp:expat',
         '../third_party/hunspell/hunspell.gyp:hunspell',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/libjingle/libjingle.gyp:libjingle',
         '../third_party/libphonenumber/libphonenumber.gyp:libphonenumber',
         '../third_party/libphonenumber/libphonenumber.gyp:phonenumber_proto',
         '../third_party/libxml/libxml.gyp:libxml',
         '../third_party/npapi/npapi.gyp:npapi',
         '../ui/base/strings/ui_strings.gyp:ui_strings',
@@ skipping 1287 matching lines @@
         'browser/io_thread.h',
         'browser/jankometer.cc',
         'browser/jankometer.h',
         'browser/jankometer_mac.cc',
         'browser/jumplist_win.cc',
         'browser/jumplist_win.h',
         'browser/keychain_mac.cc',
         'browser/keychain_mac.h',
         'browser/language_combobox_model.cc',
         'browser/language_combobox_model.h',
+        'browser/language_usage_metrics.cc',
+        'browser/language_usage_metrics.h',
         'browser/language_order_table_model.cc',
         'browser/language_order_table_model.h',
         'browser/mac/authorization_util.h',
         'browser/mac/authorization_util.mm',
         'browser/mac/file_metadata.h',
         'browser/mac/file_metadata.mm',
         'browser/mac/install_from_dmg.h',
         'browser/mac/install_from_dmg.mm',
         'browser/mac/keystone_glue.h',
         'browser/mac/keystone_glue.mm',
@@ skipping 3431 matching lines @@
       ],
       'export_dependent_settings': [
         'in_memory_url_index_cache_proto',
       ],
       # This target exports a hard dependency because it includes generated
       # header files.
       'hard_dependency': 1,
     },
   ],
 }