[Offline pages] Extracting callbacks from the Offline Page Model

components/offline_pages.gypi

Index: components/offline_pages.gypi
diff --git a/components/offline_pages.gypi b/components/offline_pages.gypi
index 8272f2d36504ce121896da7355082fd11c376a74..e6bc62a89859822bfdfa158e5cdd626ed28380d3 100644
--- a/components/offline_pages.gypi
+++ b/components/offline_pages.gypi
@@ -23,9 +23,9 @@
       ],
       'sources': [
         'offline_pages/client_policy_controller.cc',
-	'offline_pages/client_policy_controller.h',
+        'offline_pages/client_policy_controller.h',
         'offline_pages/offline_page_archiver.h',
-	'offline_pages/offline_page_client_policy.h',
+        'offline_pages/offline_page_client_policy.h',
         'offline_pages/offline_page_feature.cc',
         'offline_pages/offline_page_feature.h',
         'offline_pages/offline_page_item.cc',
@@ -36,8 +36,9 @@
         'offline_pages/offline_page_metadata_store_impl.h',
         'offline_pages/offline_page_model.cc',
         'offline_pages/offline_page_model.h',
-	'offline_pages/offline_page_storage_manager.cc',
-	'offline_pages/offline_page_storage_manager.h',
+        'offline_pages/offline_page_storage_manager.cc',
+        'offline_pages/offline_page_storage_manager.h',
+        'offline_pages/offline_page_types.h',
         'offline_pages/snapshot_controller.cc',
         'offline_pages/snapshot_controller.h',
         'offline_pages/offline_page_metadata_store_sql.cc',
@@ -112,7 +113,7 @@
           'target_name': 'offline_page_model_enums_java',
           'type': 'none',
           'variables': {
-            'source_file': 'offline_pages/offline_page_model.h',
+            'source_file': 'offline_pages/offline_page_types.h',
           },
           'includes': [ '../build/android/java_cpp_enum.gypi' ],
         },