diff -r 000000000000 -r 6474c204b198 toolkit/crashreporter/google-breakpad/src/common/windows/guid_string.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/crashreporter/google-breakpad/src/common/windows/guid_string.cc	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,76 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// guid_string.cc: Convert GUIDs to strings.
+//
+// See guid_string.h for documentation.
+
+#include <wchar.h>
+
+#include "common/windows/string_utils-inl.h"
+
+#include "common/windows/guid_string.h"
+
+namespace google_breakpad {
+
+// static
+wstring GUIDString::GUIDToWString(GUID *guid) {
+  wchar_t guid_string[37];
+  swprintf(
+      guid_string, sizeof(guid_string) / sizeof(guid_string[0]),
+      L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+      guid->Data1, guid->Data2, guid->Data3,
+      guid->Data4[0], guid->Data4[1], guid->Data4[2],
+      guid->Data4[3], guid->Data4[4], guid->Data4[5],
+      guid->Data4[6], guid->Data4[7]);
+
+  // remove when VC++7.1 is no longer supported
+  guid_string[sizeof(guid_string) / sizeof(guid_string[0]) - 1] = L'\0';
+
+  return wstring(guid_string);
+}
+
+// static
+wstring GUIDString::GUIDToSymbolServerWString(GUID *guid) {
+  wchar_t guid_string[33];
+  swprintf(
+      guid_string, sizeof(guid_string) / sizeof(guid_string[0]),
+      L"%08X%04X%04X%02X%02X%02X%02X%02X%02X%02X%02X",
+      guid->Data1, guid->Data2, guid->Data3,
+      guid->Data4[0], guid->Data4[1], guid->Data4[2],
+      guid->Data4[3], guid->Data4[4], guid->Data4[5],
+      guid->Data4[6], guid->Data4[7]);
+
+  // remove when VC++7.1 is no longer supported
+  guid_string[sizeof(guid_string) / sizeof(guid_string[0]) - 1] = L'\0';
+
+  return wstring(guid_string);
+}
+
+}  // namespace google_breakpad