Update GN build files for new prefs location.

components/password_manager/content/browser/BUILD.gn

Index: components/password_manager/content/browser/BUILD.gn
diff --git a/components/password_manager/content/browser/BUILD.gn b/components/password_manager/content/browser/BUILD.gn
index c759643f6ec52839d01c0831eff45b4c900d1950..85f89dc032953485df3aab805b77022da5776d5a 100644
--- a/components/password_manager/content/browser/BUILD.gn
+++ b/components/password_manager/content/browser/BUILD.gn
@@ -18,7 +18,6 @@ source_set("browser") {
 
   public_deps = [
     "//base",
-    "//base:prefs",
     "//components/autofill/content/browser",
     "//components/autofill/content/common",
     "//components/autofill/core/common",
@@ -26,6 +25,7 @@ source_set("browser") {
     "//components/password_manager/content/common",
     "//components/password_manager/core/browser",
     "//components/password_manager/core/common",
+    "//components/prefs",
     "//content/public/browser",
     "//content/public/common",
     "//ipc",
@@ -41,9 +41,9 @@ source_set("unit_tests") {
   ]
   deps = [
     ":browser",
-    "//base:prefs_test_support",
     "//components/autofill/core/browser:test_support",
     "//components/password_manager/core/browser:test_support",
+    "//components/prefs:test_support",
     "//content/test:test_support",
     "//testing/gmock",
     "//testing/gtest",