Move language detection to a component

chrome/chrome_common.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'common',
       'type': 'static_library',
       'variables': {
@@ skipping 386 matching lines @@
         'common/spellcheck_common.h',
         'common/spellcheck_marker.h',
         'common/spellcheck_messages.h',
         'common/spellcheck_result.h',
         'common/switch_utils.cc',
         'common/switch_utils.h',
         'common/thumbnail_score.cc',
         'common/thumbnail_score.h',
         'common/translate/language_detection_details.cc',
         'common/translate/language_detection_details.h',
-        'common/translate/language_detection_util.cc',
-        'common/translate/language_detection_util.h',
-        'common/translate/translate_common_metrics.cc',
-        'common/translate/translate_common_metrics.h',
         'common/translate/translate_errors.h',
-        'common/translate/translate_util.cc',
-        'common/translate/translate_util.h',
         'common/tts_messages.h',
         'common/tts_utterance_request.cc',
         'common/tts_utterance_request.h',
         'common/url_constants.cc',
         'common/url_constants.h',
         'common/validation_message_messages.h',
         'common/web_application_info.cc',
         'common/web_application_info.h',
         'common/worker_thread_ticker.cc',
         'common/worker_thread_ticker.h',
@@ skipping 184 matching lines @@
           'sources!': [
             'common/media/webrtc_logging_messages.h',
           ]
         }],
         ['enable_printing==0', {
           'sources!': [
             'common/print_messages.cc',
             'common/print_messages.h',
           ]
         }],
-        ['cld_version==0 or cld_version==1', {
-          'dependencies': [
-            '<(DEPTH)/third_party/cld/cld.gyp:cld',
-          ],
-        }],
-        ['cld_version==0 or cld_version==2', {
-          'dependencies': [
-            '<(DEPTH)/third_party/cld_2/cld_2.gyp:cld_2',
-          ],
-        }],
       ],
       'target_conditions': [
         ['OS == "ios"', {
           'sources/': [
             # Pull in specific Mac files for iOS (which have been filtered out
             # by file name rules).
             ['include', '^common/chrome_version_info_mac\\.mm$'],
             ['include', '^common/mac/nscoder_util\\.'],
           ],
         }],
@@ skipping 171 matching lines @@
         'common/metrics/proto/user_action_event.proto',
       ],
       'variables': {
         'proto_in_dir': 'common/metrics/proto',
         'proto_out_dir': 'chrome/common/metrics/proto',
       },
       'includes': [ '../build/protoc.gypi' ],
     },
   ],
 }