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diff --git a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h b/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h
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--- a/toolkit/crashreporter/google-breakpad/src/client/linux/minidump_writer/minidump_writer.h
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@@ -1,124 +0,0 @@
-// Copyright (c) 2009, 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.
-
-#ifndef CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_
-#define CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <sys/ucontext.h>
-#include <unistd.h>
-
-#include <list>
-#include <utility>
-
-#include "client/linux/minidump_writer/linux_dumper.h"
-#include "google_breakpad/common/minidump_format.h"
-
-namespace google_breakpad {
-
-class ExceptionHandler;
-
-#if defined(__aarch64__)
-typedef struct fpsimd_context fpstate_t;
-#elif !defined(__ARM_EABI__) && !defined(__mips__)
-typedef struct _libc_fpstate fpstate_t;
-#endif
-
-// These entries store a list of memory regions that the client wants included
-// in the minidump.
-struct AppMemory {
- void* ptr;
- size_t length;
-
- bool operator==(const struct AppMemory& other) const {
- return ptr == other.ptr;
- }
-
- bool operator==(const void* other) const {
- return ptr == other;
- }
-};
-typedef std::list<AppMemory> AppMemoryList;
-
-// Writes a minidump to the filesystem. These functions do not malloc nor use
-// libc functions which may. Thus, it can be used in contexts where the state
-// of the heap may be corrupt.
-// minidump_path: the path to the file to write to. This is opened O_EXCL and
-// fails open fails.
-// crashing_process: the pid of the crashing process. This must be trusted.
-// blob: a blob of data from the crashing process. See exception_handler.h
-// blob_size: the length of |blob|, in bytes
-//
-// Returns true iff successful.
-bool WriteMinidump(const char* minidump_path, pid_t crashing_process,
- const void* blob, size_t blob_size);
-// Same as above but takes an open file descriptor instead of a path.
-bool WriteMinidump(int minidump_fd, pid_t crashing_process,
- const void* blob, size_t blob_size);
-
-// Alternate form of WriteMinidump() that works with processes that
-// are not expected to have crashed. If |process_blamed_thread| is
-// meaningful, it will be the one from which a crash signature is
-// extracted. It is not expected that this function will be called
-// from a compromised context, but it is safe to do so.
-bool WriteMinidump(const char* minidump_path, pid_t process,
- pid_t process_blamed_thread);
-
-// These overloads also allow passing a list of known mappings and
-// a list of additional memory regions to be included in the minidump.
-bool WriteMinidump(const char* minidump_path, pid_t crashing_process,
- const void* blob, size_t blob_size,
- const MappingList& mappings,
- const AppMemoryList& appdata);
-bool WriteMinidump(int minidump_fd, pid_t crashing_process,
- const void* blob, size_t blob_size,
- const MappingList& mappings,
- const AppMemoryList& appdata);
-
-// These overloads also allow passing a file size limit for the minidump.
-bool WriteMinidump(const char* minidump_path, off_t minidump_size_limit,
- pid_t crashing_process,
- const void* blob, size_t blob_size,
- const MappingList& mappings,
- const AppMemoryList& appdata);
-bool WriteMinidump(int minidump_fd, off_t minidump_size_limit,
- pid_t crashing_process,
- const void* blob, size_t blob_size,
- const MappingList& mappings,
- const AppMemoryList& appdata);
-
-bool WriteMinidump(const char* filename,
- const MappingList& mappings,
- const AppMemoryList& appdata,
- LinuxDumper* dumper);
-
-} // namespace google_breakpad
-
-#endif // CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_