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diff --git a/externals/breakpad/src/client/linux/crash_generation/crash_generation_client.h b/externals/breakpad/src/client/linux/crash_generation/crash_generation_client.h
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+// Copyright 2010 Google LLC
+//
+// 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 LLC 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_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_
+#define CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_
+
+#include <stddef.h>
+
+namespace google_breakpad {
+
+// CrashGenerationClient is an interface for implementing out-of-process crash
+// dumping.  The default implementation, accessed via the TryCreate() factory,
+// works in conjunction with the CrashGenerationServer to generate a minidump
+// via a remote process.
+class CrashGenerationClient {
+ public:
+  CrashGenerationClient() = default;
+  CrashGenerationClient(const CrashGenerationClient&) = delete;
+  void operator=(const CrashGenerationClient&) = delete;
+  virtual ~CrashGenerationClient() = default;
+
+  // Request the crash server to generate a dump.  |blob| is an opaque
+  // CrashContext pointer from exception_handler.h.
+  // Returns true if the dump was successful; false otherwise.
+  virtual bool RequestDump(const void* blob, size_t blob_size) = 0;
+
+  // Returns a new CrashGenerationClient if |server_fd| is valid and
+  // connects to a CrashGenerationServer.  Otherwise, return NULL.
+  // The returned CrashGenerationClient* is owned by the caller of
+  // this function.
+  static CrashGenerationClient* TryCreate(int server_fd);
+};
+
+}  // namespace google_breakpad
+
+#endif  // CLIENT_LINUX_CRASH_GENERATION_CRASH_GENERATION_CLIENT_H_