Fix spelling mistake on WebSQL constraint error

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

Index: third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp
diff --git a/third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp b/third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp
index 791b0e2f47dd80f8ff1524540925dbada9b590b9..f93da7e87b97c725d2f198a07d93fe4c8a4dfab5 100644
--- a/third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp
+++ b/third_party/WebKit/Source/modules/webdatabase/SQLStatementBackend.cpp
@@ -225,7 +225,7 @@ bool SQLStatementBackend::Execute(Database* db) {
     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 {