tmp

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 2b79c8885c989de455923a37a436ddc5c07937cd..5e6db7bb5e1fc8bbb4a013d078b4e3f06df8ce03 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -726,6 +726,8 @@
         'browser/history/history_backend_android.cc',
         'browser/history/history_database.cc',
         'browser/history/history_database.h',
+        'browser/history/history_database_delegate.cc',
+        'browser/history/history_database_delegate.h',
         'browser/history/history_db_task.h',
         'browser/history/history_details.h',
         'browser/history/history_marshaling.h',
@@ -790,6 +792,7 @@
         'browser/history/typed_url_syncable_service.h',
         'browser/history/url_database.cc',
         'browser/history/url_database.h',
+        'browser/history/url_database_observer.h',
         'browser/history/url_index_private_data.cc',
         'browser/history/url_index_private_data.h',
         'browser/history/visit_database.cc',
@@ -2965,6 +2968,9 @@
             'browser/invalidation/ticl_invalidation_service.h',
 
             'browser/sync/glue/synced_tab_delegate.cc',
+
+            # Android defines it's own history_database_delegate
+            'browser/history/history_database_delegate.cc',
           ],
           'sources/': [
             ['exclude', '^browser/captive_portal/'],