Move language detection to chrome/common/.

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index fb2ff9a1b3e631009e5f5501e574f7b591b5f15f..774fc6b143555b428c9cc04948ebb24c8fe8863c 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -439,7 +439,11 @@
         'common/time_format.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_errors.h',
+        'common/translate/translate_helper_metrics.cc',
+        'common/translate/translate_helper_metrics.h',
         'common/translate/translate_util.cc',
         'common/translate/translate_util.h',
         'common/tts_messages.h',
@@ -535,6 +539,7 @@
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
             ['include', '^common/chrome_version_info\\.cc$'],
+            ['include', '^common/translate'],
             ['include', '^common/zip'],
           ],
           'include_dirs': [
@@ -619,6 +624,11 @@
             'common/media/webrtc_logging_messages.h',
           ]
         }],
+        ['enable_language_detection==1', {
+          'dependencies': [
+            '../third_party/cld/cld.gyp:cld',
+          ],
+        }],
       ],
       'target_conditions': [
         ['OS == "ios"', {