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

sql/diagnostic_error_delegate.h

Index: sql/diagnostic_error_delegate.h
diff --git a/app/sql/diagnostic_error_delegate.h b/sql/diagnostic_error_delegate.h
similarity index 86%
rename from app/sql/diagnostic_error_delegate.h
rename to sql/diagnostic_error_delegate.h
index 713c4aab88c47254f8e118741b8bdac07396c430..70677bd00c9b7505e500a21d8cbea3a50d6e0fb7 100644
--- a/app/sql/diagnostic_error_delegate.h
+++ b/sql/diagnostic_error_delegate.h
@@ -1,14 +1,14 @@
-// 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.
 
-#ifndef APP_SQL_DIAGNOSTIC_ERROR_DELEGATE_H_
-#define APP_SQL_DIAGNOSTIC_ERROR_DELEGATE_H_
+#ifndef SQL_DIAGNOSTIC_ERROR_DELEGATE_H_
+#define SQL_DIAGNOSTIC_ERROR_DELEGATE_H_
 #pragma once
 
-#include "app/sql/connection.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
+#include "sql/connection.h"
 
 namespace sql {
 
@@ -47,4 +47,4 @@ class DiagnosticErrorDelegate : public ErrorDelegate {
 
 }  // namespace sql
 
-#endif  // APP_SQL_DIAGNOSTIC_ERROR_DELEGATE_H_
+#endif  // SQL_DIAGNOSTIC_ERROR_DELEGATE_H_