Remove unused SQLLite tables from WebData

components/webdata/common/web_database.h

Index: components/webdata/common/web_database.h
diff --git a/components/webdata/common/web_database.h b/components/webdata/common/web_database.h
index e7fedf072b29e964d177d854e540e4330cc946e7..22730fe23c4036f72c1857b2a8d1b6f0f8ebf8a4 100644
--- a/components/webdata/common/web_database.h
+++ b/components/webdata/common/web_database.h
@@ -59,6 +59,18 @@ class WEBDATA_EXPORT WebDatabase {
   // current version.
   sql::InitStatus MigrateOldVersionsAsNeeded();
 
+  // Migrates this database to |version|. Returns false if there was
+  // migration work to do and it failed, true otherwise.
+  //
+  // Implementations may set |*update_compatible_version| to true if
+  // the compatible version should be changed to |version|.
+  // Implementations should otherwise not modify this parameter.
+  bool MigrateToVersion(int version,
+                        bool* update_compatible_version);
+
+  // Migration method for version 58.
+  bool MigrateToVersion58DropWebAppsAndIntents();
+
   sql::Connection db_;
   sql::MetaTable meta_table_;