Fix authorizer issue with fts3 in WebDatabase.

third_party/sqlite/src/ext/fts3/fts3.c

Index: third_party/sqlite/src/ext/fts3/fts3.c
diff --git a/third_party/sqlite/src/ext/fts3/fts3.c b/third_party/sqlite/src/ext/fts3/fts3.c
index 8498cfae570eb0882da47c2ff2b76e510571a54f..d11572ac4cc57d2ddae7087a7e9eed71d93fdd68 100644
--- a/third_party/sqlite/src/ext/fts3/fts3.c
+++ b/third_party/sqlite/src/ext/fts3/fts3.c
@@ -630,6 +630,9 @@ static void fts3DatabasePageSize(int *pRc, Fts3Table *p){
         sqlite3_step(pStmt);
         p->nPgsz = sqlite3_column_int(pStmt, 0);
         rc = sqlite3_finalize(pStmt);
+      }else if( rc==SQLITE_AUTH ){
+        p->nPgsz = 1024;
+        rc = SQLITE_OK;
       }
     }
     assert( p->nPgsz>0 || rc!=SQLITE_OK );