Inject CanAddURLToHistory into TopSitesImpl

components/history.gypi

Index: components/history.gypi
diff --git a/components/history.gypi b/components/history.gypi
index e13bdaaf78e4e8f22d1f46344924dad2ddf4b914..6b21304e91aa2c9cb1f451f8af22c26f26f4ccae 100644
--- a/components/history.gypi
+++ b/components/history.gypi
@@ -13,6 +13,8 @@
       ],
       'dependencies': [
         '../base/base.gyp:base',
+        '../base/base.gyp:base_i18n',
+        '../base/base.gyp:base_prefs',
         '../google_apis/google_apis.gyp:google_apis',
         '../net/net.gyp:net',
         '../skia/skia.gyp:skia',
@@ -23,6 +25,7 @@
         '../ui/gfx/gfx.gyp:gfx',
         '../url/url.gyp:url_lib',
         'favicon_base',
+        'history_core_common',
         'keyed_service_core',
         'query_parser',
         'signin_core_browser',
@@ -80,6 +83,8 @@
         'history/core/browser/top_sites_cache.h',
         'history/core/browser/top_sites_database.cc',
         'history/core/browser/top_sites_database.h',
+        'history/core/browser/top_sites_impl.cc',
+        'history/core/browser/top_sites_impl.h',
         'history/core/browser/top_sites_observer.h',
         'history/core/browser/typed_url_syncable_service.cc',
         'history/core/browser/typed_url_syncable_service.h',
@@ -216,6 +221,8 @@
             'history_core_browser',
           ],
           'sources': [
+            'history/ios/browser/history_database_helper.cc',
+            'history/ios/browser/history_database_helper.h',
             'history/ios/browser/web_state_top_sites_observer.cc',
             'history/ios/browser/web_state_top_sites_observer.h',
           ],