Update GN build files for new prefs location.

components/autofill/core/browser/BUILD.gn

Index: components/autofill/core/browser/BUILD.gn
diff --git a/components/autofill/core/browser/BUILD.gn b/components/autofill/core/browser/BUILD.gn
index 95a0cbf68c56c77cfcdb29724d87dde241efbe46..b0008d4bfe3696d37be5b621e656afd2788b5c1e 100644
--- a/components/autofill/core/browser/BUILD.gn
+++ b/components/autofill/core/browser/BUILD.gn
@@ -167,7 +167,6 @@ source_set("browser") {
   deps = [
     "//base",
     "//base:i18n",
-    "//base:prefs",
     "//components/autofill/core/browser/proto",
     "//components/autofill/core/common",
     "//components/data_use_measurement/core",
@@ -175,6 +174,7 @@ source_set("browser") {
     "//components/keyed_service/core",
     "//components/os_crypt",
     "//components/pref_registry",
+    "//components/prefs",
     "//components/rappor",
     "//components/resources",
     "//components/signin/core/browser",
@@ -233,14 +233,13 @@ source_set("test_support") {
 
   deps = [
     "//base",
-    "//base:prefs",
-    "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/autofill/core/browser",
     "//components/autofill/core/browser/proto",
     "//components/autofill/core/common",
     "//components/os_crypt",
     "//components/pref_registry",
+    "//components/prefs:test_support",
     "//components/rappor",
     "//components/rappor:test_support",
     "//components/signin/core/browser",
@@ -298,11 +297,10 @@ source_set("unit_tests") {
     ":browser",
     ":test_support",
     "//base",
-    "//base:prefs",
-    "//base:prefs_test_support",
     "//base/test:test_support",
     "//components/autofill/core/common",
     "//components/os_crypt",
+    "//components/prefs:test_support",
     "//components/rappor:test_support",
     "//components/resources",
     "//components/signin/core/browser",