sync: cut a few profile deps from DataTypeControllers.

chrome/browser/sync/glue/extension_data_type_controller.h

Index: chrome/browser/sync/glue/extension_data_type_controller.h
diff --git a/chrome/browser/sync/glue/extension_data_type_controller.h b/chrome/browser/sync/glue/extension_data_type_controller.h
index c8ffbf8e9fe28a6070d9afe895ba6dd0800a640b..a013e588442e230a5d854331883f5dbb686eeac4 100644
--- a/chrome/browser/sync/glue/extension_data_type_controller.h
+++ b/chrome/browser/sync/glue/extension_data_type_controller.h
@@ -11,6 +11,8 @@
 #include "chrome/browser/sync/glue/ui_data_type_controller.h"
 #include "components/sync_driver/generic_change_processor.h"
 
+class Profile;
+
 namespace browser_sync {
 
 // TODO(zea): Rename this and ExtensionSettingsDTC to ExtensionOrApp*, since
@@ -19,7 +21,7 @@ class ExtensionDataTypeController : public UIDataTypeController {
  public:
   ExtensionDataTypeController(
       syncer::ModelType type,  // Either EXTENSIONS or APPS.
-      ProfileSyncComponentsFactory* profile_sync_factory,
+      SyncApiComponentFactory* sync_factory,
       Profile* profile,
       ProfileSyncService* sync_service);
 
@@ -29,6 +31,8 @@ class ExtensionDataTypeController : public UIDataTypeController {
   // DataTypeController implementations.
   virtual bool StartModels() OVERRIDE;
 
+  Profile* const profile_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionDataTypeController);
 };