[sql] Differentiate compile errors from regular errors.

sql/connection.h

 // Copyright (c) 2012 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_CONNECTION_H_
 #define SQL_CONNECTION_H_
 
 #include <stdint.h>
 #include <map>
 #include <set>
@@ skipping 448 matching lines @@
   // running the following statement at a sqlite3 command-line:
   //   SELECT type, name, tbl_name, sql FROM sqlite_master ORDER BY 1, 2, 3, 4;
   std::string GetSchema() const;
 
   // Clients which provide an error_callback don't see the
   // error-handling at the end of OnSqliteError().  Expose to allow
   // those clients to work appropriately with ScopedErrorIgnorer in
   // tests.
   static bool ShouldIgnoreSqliteError(int error);
 
+  // Additionally ignores errors which are unlikely to be caused by problems
+  // with the syntax of a SQL statement, or problems with the database schema.
+  static bool ShouldIgnoreSqliteCompileError(int error);
+
   // base::trace_event::MemoryDumpProvider implementation.
   bool OnMemoryDump(
       const base::trace_event::MemoryDumpArgs& args,
       base::trace_event::ProcessMemoryDump* process_memory_dump) override;
 
   // Collect various diagnostic information and post a crash dump to aid
   // debugging.  Dump rate per database is limited to prevent overwhelming the
   // crash server.
   void ReportDiagnosticInfo(int extended_error, Statement* stmt);
 
@@ skipping 286 matching lines @@
   // Source for timing information, provided to allow tests to inject time
   // changes.
   scoped_ptr<TimeSource> clock_;
 
   DISALLOW_COPY_AND_ASSIGN(Connection);
 };
 
 }  // namespace sql
 
 #endif  // SQL_CONNECTION_H_