Override IsDataLoaded() in TestPersonalDataManager.

This will help with writing tests for CWVAutofillDataManager.

Change-Id: Ib548b0a5df28ca74d3e43bc6f9d30cd192f44570
Reviewed-on: https://chromium-review.googlesource.com/1068024
Commit-Queue: John Wu <jzw@chromium.org>
Reviewed-by: Sebastien Seguin-Gagnon <sebsg@chromium.org>
Reviewed-by: Jared Saul <jsaul@google.com>
Cr-Commit-Position: refs/heads/master@{#560921}

components/autofill/core/browser/test_personal_data_manager.cc

@@ -196,6 +196,10 @@ std::string TestPersonalDataManager::CountryCodeForCurrentTimezone()
   return timezone_country_code_;
 }
 
+bool TestPersonalDataManager::IsDataLoaded() const {
+  return true;
+}
+
 void TestPersonalDataManager::ClearProfiles() {
   web_profiles_.clear();
 }

components/autofill/core/browser/test_personal_data_manager.h

@@ -47,6 +47,7 @@ class TestPersonalDataManager : public PersonalDataManager {
   bool IsAutofillCreditCardEnabled() const override;
   bool IsAutofillWalletImportEnabled() const override;
   std::string CountryCodeForCurrentTimezone() const override;
+  bool IsDataLoaded() const override;
 
   // Unique to TestPersonalDataManager: