Fix spelling mistake on WebSQL constraint error

third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp

 /*
  * Copyright (C) 2007, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 207 matching lines @@
       result_set_->SetInsertId(database->LastInsertRowID());
   } else if (result == kSQLResultFull) {
     // Return the Quota error - the delegate will be asked for more space and
     // this statement might be re-run.
     SetFailureDueToQuota(db);
     return false;
   } else if (result == kSQLResultConstraint) {
     db->ReportExecuteStatementResult(6, SQLError::kConstraintErr, result);
     error_ = SQLErrorData::Create(
         SQLError::kConstraintErr,
-        "could not execute statement due to a constaint failure", result,
+        "could not execute statement due to a constraint failure", result,
         database->LastErrorMsg());
     return false;
   } else {
     db->ReportExecuteStatementResult(5, SQLError::kDatabaseErr, result);
     error_ = SQLErrorData::Create(SQLError::kDatabaseErr,
                                   "could not execute statement", result,
                                   database->LastErrorMsg());
     return false;
   }
 
@@ skipping 29 matching lines @@
 void SQLStatementBackend::ClearFailureDueToQuota() {
   if (LastExecutionFailedDueToQuota())
     error_ = nullptr;
 }
 
 bool SQLStatementBackend::LastExecutionFailedDueToQuota() const {
   return error_ && error_->Code() == SQLError::kQuotaErr;
 }
 
 }  // namespace blink