Spelling correction: "nonexistant" -> "nonexistent".

app/sql/connection.cc

Index: app/sql/connection.cc
diff --git a/app/sql/connection.cc b/app/sql/connection.cc
index 62ebfaf0ebdd91faeb40479d02a247e941c7f763..c5f991f7197d723b9ec72736a43dd241039dbc94 100644
--- a/app/sql/connection.cc
+++ b/app/sql/connection.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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.
 
@@ -122,7 +122,7 @@ bool Connection::BeginTransaction() {
 
 void Connection::RollbackTransaction() {
   if (!transaction_nesting_) {
-    NOTREACHED() << "Rolling back a nonexistant transaction";
+    NOTREACHED() << "Rolling back a nonexistent transaction";
     return;
   }
 
@@ -139,7 +139,7 @@ void Connection::RollbackTransaction() {
 
 bool Connection::CommitTransaction() {
   if (!transaction_nesting_) {
-    NOTREACHED() << "Rolling back a nonexistant transaction";
+    NOTREACHED() << "Rolling back a nonexistent transaction";
     return false;
   }
   transaction_nesting_--;