[Autofill] Run autofill-profile de-dupe after sync starts if sync is enabled.

components/autofill/core/browser/personal_data_manager.h

Index: components/autofill/core/browser/personal_data_manager.h
diff --git a/components/autofill/core/browser/personal_data_manager.h b/components/autofill/core/browser/personal_data_manager.h
index c913506b341c460db6f7e48b3af5be01a53fb67c..894110185b42690ed5c8bbe27f1467e6ebab108d 100644
--- a/components/autofill/core/browser/personal_data_manager.h
+++ b/components/autofill/core/browser/personal_data_manager.h
@@ -36,6 +36,10 @@ class SigninManagerBase;
 class PersonalDataManagerFactory;
 #endif
 
+namespace sync_driver {
+class SyncService;
+}
+
 namespace autofill {
 class AutofillInteractiveTest;
 class AutofillTest;
@@ -75,6 +79,10 @@ class PersonalDataManager : public KeyedService,
             SigninManagerBase* signin_manager,
             bool is_off_the_record);
 
+  // Called once the sync service is known to be instantiated and configured.
+  // Note that it may not be started, but it's preferences can be queried.
+  void OnSyncServiceConfigured(sync_driver::SyncService* sync_service);

[Nicolas Zea, 2016/07/12 20:04:47]

Perhaps rename this OnSyncServiceInitialized? "Configured" has a special meaning
within sync, as in it implies that sync has gone through the datatype
configuration (which implies the datatypes have started). That may not be the
case when this is called.

[Roger McFarlane (Chromium), 2016/07/12 21:23:26]

Done.

+
   // WebDataServiceConsumer:
   void OnWebDataServiceRequestDone(WebDataServiceBase::Handle h,
                                    const WDTypedResult* result) override;
@@ -484,6 +492,10 @@ class PersonalDataManager : public KeyedService,
   // An observer to listen for changes to prefs::kAutofillWalletImportEnabled.
   std::unique_ptr<BooleanPrefMember> wallet_enabled_pref_;
 
+  // Set to true if autofill profile deduplication is enabled and needs to be
+  // performed on the next data refresh.
+  bool is_autofill_profile_dedupe_pending_ = false;
+
   DISALLOW_COPY_AND_ASSIGN(PersonalDataManager);
 };