Parameterize the PrefService that PersonalDataManager uses.

components/autofill/core/browser/autofill_manager_unittest.cc

Index: components/autofill/core/browser/autofill_manager_unittest.cc
diff --git a/components/autofill/core/browser/autofill_manager_unittest.cc b/components/autofill/core/browser/autofill_manager_unittest.cc
index 863eb3e08bd08c76a0f6f7d20827b05b89a75eef..ddb6f52af7dc11bbfae857e472f99b1a425e8736 100644
--- a/components/autofill/core/browser/autofill_manager_unittest.cc
+++ b/components/autofill/core/browser/autofill_manager_unittest.cc
@@ -79,6 +79,10 @@ class TestPersonalDataManager : public PersonalDataManager {
     set_browser_context(context);
   }
 
+  void SetPrefService(PrefService* pref_service) {
+    set_pref_service(pref_service);
+  }
+
   // Factory method for keyed service.  PersonalDataManager is NULL for testing.
   static BrowserContextKeyedService* Build(content::BrowserContext* profile) {
     return NULL;
@@ -697,6 +701,7 @@ class AutofillManagerTest : public ChromeRenderViewHostTestHarness {
     autofill::TabAutofillManagerDelegate::CreateForWebContents(web_contents());
 
     personal_data_.SetBrowserContext(profile());
+    personal_data_.SetPrefService(profile()->GetPrefs());
     autofill_driver_.reset(new MockAutofillDriver(web_contents()));
     autofill_manager_.reset(new TestAutofillManager(
         autofill_driver_.get(),