Disable recovery test for USE_SYSTEM_SQLITE.

sql/recovery.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef SQL_RECOVERY_H_
 #define SQL_RECOVERY_H_
 
 #include "base/basictypes.h"
 
 #include "sql/connection.h"
@@ skipping 23 matching lines @@
 //   }
 // }
 //
 // If Recovered() is not called, then RazeAndClose() is called on
 // orig_db.
 
 class SQL_EXPORT Recovery {
  public:
   ~Recovery();
 
+  // This module is intended to be used in concert with a virtual
+  // table module (see third_party/sqlite/src/src/recover.c).  If the
+  // build defines USE_SYSTEM_SQLITE, this module will not be present.
+  // TODO(shess): I am still debating how to handle this - perhaps it
+  // will just imply Unrecoverable().  This is exposed to allow tests
+  // to adapt to the cases, please do not rely on it in production
+  // code.
+  static bool FullRecoverySupported();
+
   // Begin the recovery process by opening a temporary database handle
   // and attach the existing database to it at "corrupt".  To prevent
   // deadlock, all transactions on |connection| are rolled back.
   //
   // Returns NULL in case of failure, with no cleanup done on the
   // original connection (except for breaking the transactions).  The
   // caller should Raze() or otherwise cleanup as appropriate.
   //
   // TODO(shess): Later versions of SQLite allow extracting the path
   // from the connection.
@@ skipping 51 matching lines @@
 
   Connection* db_;         // Original database connection.
   Connection recover_db_;  // Recovery connection.
 
   DISALLOW_COPY_AND_ASSIGN(Recovery);
 };
 
 }  // namespace sql
 
 #endif  // SQL_RECOVERY_H_