[sql] sqlite3_initialize() before additional entry point.

sqlite3_vfs_find() added an additional entry point in Delete(), which is
static.

BUG=84094
TBR=erg@chromium.org

Review URL: https://codereview.chromium.org/1351653002

Cr-Commit-Position: refs/heads/master@{#349179}

sql/connection.cc

@@ -676,6 +676,9 @@ bool Connection::Delete(const base::FilePath& path) {
   std::string wal_str = AsUTF8ForSQL(wal_path);
   std::string path_str = AsUTF8ForSQL(path);
 
+  // Make sure sqlite3_initialize() is called before anything else.
+  InitializeSqlite();
+
   sqlite3_vfs* vfs = sqlite3_vfs_find(NULL);
   CHECK(vfs);
   CHECK(vfs->xDelete);