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diff --git a/toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h b/toolkit/crashreporter/google-breakpad/src/common/mac/macho_walker.h
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-// 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.
-
-// macho_walker.h: Iterate over the load commands in a mach-o file
-//
-// Author: Dan Waylonis
-
-#ifndef COMMON_MAC_MACHO_WALKER_H__
-#define COMMON_MAC_MACHO_WALKER_H__
-
-#include <mach/machine.h>
-#include <mach-o/loader.h>
-#include <sys/types.h>
-
-namespace MacFileUtilities {
-
-class MachoWalker {
- public:
- // A callback function executed when a new load command is read. If no
- // further processing of load commands is desired, return false. Otherwise,
- // return true.
- // |cmd| is the current command, and |offset| is the location relative to the
- // beginning of the file (not header) where the command was read. If |swap|
- // is set, then any command data (other than the returned load_command) should
- // be swapped when read
- typedef bool (*LoadCommandCallback)(MachoWalker *walker, load_command *cmd,
- off_t offset, bool swap, void *context);
-
- MachoWalker(const char *path, LoadCommandCallback callback, void *context);
- MachoWalker(void *memory, size_t size, LoadCommandCallback callback,
- void *context);
- ~MachoWalker();
-
- // Begin walking the header for |cpu_type| and |cpu_subtype|. If |cpu_type|
- // is 0, then the native cpu type is used. Otherwise, accepted values are
- // listed in /usr/include/mach/machine.h (e.g., CPU_TYPE_X86 or
- // CPU_TYPE_POWERPC). If |cpu_subtype| is CPU_SUBTYPE_MULTIPLE, the match is
- // only done on |cpu_type|.
- // Returns false if opening the file failed or if the |cpu_type|/|cpu_subtype|
- // is not present in the file.
- bool WalkHeader(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype);
-
- // Read |size| bytes from the opened file at |offset| into |buffer|
- bool ReadBytes(void *buffer, size_t size, off_t offset);
-
- // Return the current header and header offset
- bool CurrentHeader(struct mach_header_64 *header, off_t *offset);
-
- private:
- // Locate (if any) the header offset for |cpu_type| and return in |offset|.
- // Return true if found, false otherwise.
- bool FindHeader(cpu_type_t cpu_type,
- cpu_subtype_t cpu_subtype,
- off_t &offset);
-
- // Process an individual header starting at |offset| from the start of the
- // file. Return true if successful, false otherwise.
- bool WalkHeaderAtOffset(off_t offset);
- bool WalkHeader64AtOffset(off_t offset);
-
- // Bottleneck for walking the load commands
- bool WalkHeaderCore(off_t offset, uint32_t number_of_commands, bool swap);
-
- // File descriptor to the opened file
- int file_;
-
- // Memory location to read from.
- void *memory_;
-
- // Size of the memory segment we can read from.
- size_t memory_size_;
-
- // User specified callback & context
- LoadCommandCallback callback_;
- void *callback_context_;
-
- // Current header, size, and offset. The mach_header_64 is used for both
- // 32-bit and 64-bit headers because they only differ in their last field
- // (reserved). By adding the |current_header_size_| and the
- // |current_header_offset_|, you can determine the offset in the file just
- // after the header.
- struct mach_header_64 *current_header_;
- unsigned long current_header_size_;
- off_t current_header_offset_;
-
- private:
- MachoWalker(const MachoWalker &);
- MachoWalker &operator=(const MachoWalker &);
-};
-
-} // namespace MacFileUtilities
-
-#endif // COMMON_MAC_MACHO_WALKER_H__