Create signin component and componentize TokenWebData.

components/components_tests.gyp

Index: components/components_tests.gyp
diff --git a/components/components_tests.gyp b/components/components_tests.gyp
index d5b213d353dd9a301a3a3e9a7bd4ea260122db19..7dca5d64a1100b61902fa96dd9fdbd36f186e226 100644
--- a/components/components_tests.gyp
+++ b/components/components_tests.gyp
@@ -47,6 +47,7 @@
             'precache/core/precache_fetcher_unittest.cc',
             'precache/core/precache_url_table_unittest.cc',
             'sessions/serialized_navigation_entry_unittest.cc',
+            'signin/core/webdata/token_service_table_unittest.cc',
             'test/run_all_unittests.cc',
             'translate/core/common/translate_metrics_unittest.cc',
             'translate/core/common/translate_util_unittest.cc',
@@ -104,6 +105,9 @@
             # Dependencies of precache/core
             'components.gyp:precache_core',
 
+            # Dependencies of signin
+            'components.gyp:signin_core',
+
             # Dependencies of translate.
             'components.gyp:translate_core_common',
             'components.gyp:translate_language_detection',
@@ -154,6 +158,7 @@
                 ['include', '^autofill/'],
                 ['include', '^dom_distiller/'],
                 ['include', '^precache/core/'],
+                ['include', '^signin/'],
                 ['include', '^translate/'],
               ],
             }],