Move app/sql/* files to sql/ directory.

sql/transaction.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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.
 
-#include "app/sql/transaction.h"
+#include "sql/transaction.h"
 
-#include "app/sql/connection.h"
 #include "base/logging.h"
+#include "sql/connection.h"
 
 namespace sql {
 
 Transaction::Transaction(Connection* connection)
     : connection_(connection),
       is_open_(false) {
 }
 
 Transaction::~Transaction() {
   if (is_open_)
@@ skipping 23 matching lines @@
   if (!is_open_) {
     NOTREACHED() << "Attempting to commit a nonexistent transaction. "
                  << "Did you remember to call Begin() and check its return?";
     return false;
   }
   is_open_ = false;
   return connection_->CommitTransaction();
 }
 
 }  // namespace sql