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diff --git a/components/crash/content/app/breakpad_linux_impl.h b/components/crash/content/app/breakpad_linux_impl.h
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+++ b/components/crash/content/app/breakpad_linux_impl.h
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+// Copyright 2013 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.
+
+// Internal header file for the Linux breakpad implementation. This file is
+// shared between crash_handler_host_linux.cc and breakpad_linux.cc. It should
+// only be used in files compiled with linux_breakpad=1.
+
+#ifndef COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_IMPL_H_
+#define COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_IMPL_H_
+
+#include <sys/types.h>
+
+#include "base/basictypes.h"
+#include "breakpad/src/common/simple_string_dictionary.h"
+#include "components/crash/content/app/breakpad_linux.h"
+
+namespace breakpad {
+
+typedef google_breakpad::NonAllocatingMap<256, 256, 64> CrashKeyStorage;
+
+#if defined(ADDRESS_SANITIZER)
+static const size_t kMaxAsanReportSize = 1 << 16;
+#endif
+// Define a preferred limit on minidump sizes, because Crash Server currently
+// throws away any larger than 1.2MB (1.2 * 1024 * 1024).  A value of -1 means
+// no limit.
+static const off_t kMaxMinidumpFileSize = 1258291;
+
+// The size of the iovec used to transfer crash data from a child back to the
+// browser.
+#if !defined(ADDRESS_SANITIZER)
+const size_t kCrashIovSize = 6;
+#else
+// Additional field to pass the AddressSanitizer log to the crash handler.
+const size_t kCrashIovSize = 7;
+#endif
+
+// BreakpadInfo describes a crash report.
+// The minidump information can either be contained in a file descriptor (fd) or
+// in a file (whose path is in filename).
+struct BreakpadInfo {
+  int fd;                          // File descriptor to the Breakpad dump data.
+  const char* filename;            // Path to the Breakpad dump data.
+#if defined(ADDRESS_SANITIZER)
+  const char* log_filename;        // Path to the ASan log file.
+  const char* asan_report_str;     // ASan report.
+  unsigned asan_report_length;     // Length of |asan_report_length|.
+#endif
+  const char* process_type;        // Process type, e.g. "renderer".
+  unsigned process_type_length;    // Length of |process_type|.
+  const char* distro;              // Linux distro string.
+  unsigned distro_length;          // Length of |distro|.
+  bool upload;                     // Whether to upload or save crash dump.
+  uint64_t process_start_time;     // Uptime of the crashing process.
+  size_t oom_size;                 // Amount of memory requested if OOM.
+  uint64_t pid;                    // PID where applicable.
+  CrashKeyStorage* crash_keys;
+};
+
+extern void HandleCrashDump(const BreakpadInfo& info);
+
+}  // namespace breakpad
+
+#endif  // COMPONENTS_CRASH_CONTENT_APP_BREAKPAD_LINUX_IMPL_H_