Move guid generation from chrome/common/ to base/.

It will be needed in webkit/dom_storage/.

BUG=NONE
TEST=Existing tests.


Review URL: https://chromiumcodereview.appspot.com/10540003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@142142 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 33 insertions, 0 deletions

diff --git a/base/guid.h b/base/guid.h
new file mode 100644
index 0000000..20f7706
--- /dev/null
+++ b/base/guid.h
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 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 BASE_GUID_H_
+#define BASE_GUID_H_
+#pragma once
+
+#include <string>
+
+#include "base/base_export.h"
+#include "base/basictypes.h"
+#include "build/build_config.h"
+
+namespace base {
+
+// Generate a 128-bit random GUID of the form: "%08X-%04X-%04X-%04X-%012llX".
+// If GUID generation fails an empty string is returned.
+// The POSIX implementation uses psuedo random number generation to create
+// the GUID.  The Windows implementation uses system services.
+BASE_EXPORT std::string GenerateGUID();
+
+// Returns true if the input string conforms to the GUID format.
+BASE_EXPORT bool IsValidGUID(const std::string& guid);
+
+#if defined(OS_POSIX)
+// For unit testing purposes only.  Do not use outside of tests.
+BASE_EXPORT std::string RandomDataToGUIDString(const uint64 bytes[2]);
+#endif
+
+}  // namespace guid
+
+#endif  // BASE_GUID_H_