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diff --git a/toolkit/crashreporter/google-breakpad/src/common/linux/dump_symbols.h b/toolkit/crashreporter/google-breakpad/src/common/linux/dump_symbols.h
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+// -*- mode: c++ -*-
+
+// Copyright (c) 2011, 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.
+
+// dump_symbols.h: Read debugging information from an ELF file, and write
+// it out as a Breakpad symbol file.
+
+#ifndef COMMON_LINUX_DUMP_SYMBOLS_H__
+#define COMMON_LINUX_DUMP_SYMBOLS_H__
+
+#include <iostream>
+#include <string>
+#include <vector>
+
+#include "common/symbol_data.h"
+#include "common/using_std_string.h"
+
+namespace google_breakpad {
+
+class Module;
+
+struct DumpOptions {
+  DumpOptions(SymbolData symbol_data, bool handle_inter_cu_refs)
+      : symbol_data(symbol_data),
+        handle_inter_cu_refs(handle_inter_cu_refs) {
+  }
+
+  SymbolData symbol_data;
+  bool handle_inter_cu_refs;
+};
+
+// Find all the debugging information in OBJ_FILE, an ELF executable
+// or shared library, and write it to SYM_STREAM in the Breakpad symbol
+// file format.
+// If OBJ_FILE has been stripped but contains a .gnu_debuglink section,
+// then look for the debug file in DEBUG_DIRS.
+// SYMBOL_DATA allows limiting the type of symbol data written.
+bool WriteSymbolFile(const string &load_path,
+                     const string &obj_file,
+                     const string &obj_os,
+                     const std::vector<string>& debug_dirs,
+                     const DumpOptions& options,
+                     std::ostream &sym_stream);
+
+// Read the selected object file's debugging information, and write out the
+// header only to |stream|. Return true on success; if an error occurs, report
+// it and return false. |obj_file| becomes the MODULE file name and |obj_os|
+// becomes the MODULE operating system.
+bool WriteSymbolFileHeader(const string& load_path,
+                           const string& obj_file,
+                           const string& obj_os,
+                           std::ostream &sym_stream);
+
+// As above, but simply return the debugging information in MODULE
+// instead of writing it to a stream. The caller owns the resulting
+// Module object and must delete it when finished.
+bool ReadSymbolData(const string& load_path,
+                    const string& obj_file,
+                    const string& obj_os,
+                    const std::vector<string>& debug_dirs,
+                    const DumpOptions& options,
+                    Module** module);
+
+}  // namespace google_breakpad
+
+#endif  // COMMON_LINUX_DUMP_SYMBOLS_H__