headless: Add support for minidump generation on Linux

headless/lib/headless_crash_reporter_client.h

Index: headless/lib/headless_crash_reporter_client.h
diff --git a/headless/lib/headless_crash_reporter_client.h b/headless/lib/headless_crash_reporter_client.h
new file mode 100644
index 0000000000000000000000000000000000000000..42dc35bb23243f4f45bbe6799a1dc75b969155c2
--- /dev/null
+++ b/headless/lib/headless_crash_reporter_client.h
@@ -0,0 +1,51 @@
+// Copyright 2017 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.
+
+#ifndef HEADLESS_LIB_HEADLESS_CRASH_REPORTER_CLIENT_H_
+#define HEADLESS_LIB_HEADLESS_CRASH_REPORTER_CLIENT_H_
+
+#include "base/files/file_path.h"
+#include "base/macros.h"
+#include "base/strings/string16.h"
+#include "build/build_config.h"
+#include "components/crash/content/app/crash_reporter_client.h"
+
+namespace headless {
+
+class HeadlessCrashReporterClient : public crash_reporter::CrashReporterClient {
+ public:
+  HeadlessCrashReporterClient();
+  ~HeadlessCrashReporterClient() override;
+
+  void set_crash_dumps_dir(const base::FilePath& dir) {
+    crash_dumps_dir_ = dir;
+  }
+  const base::FilePath& crash_dumps_dir() const { return crash_dumps_dir_; }
+
+#if defined(OS_POSIX) && !defined(OS_MACOSX)
+  // Returns a textual description of the product type and version to include
+  // in the crash report.
+  void GetProductNameAndVersion(const char** product_name,
+                                const char** version) override;
+
+  base::FilePath GetReporterLogFilename() override;
+#endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
+
+#if defined(OS_WIN)
+  bool GetCrashDumpLocation(base::string16* crash_dir) override;
+#else
+  bool GetCrashDumpLocation(base::FilePath* crash_dir) override;
+#endif
+
+  bool EnableBreakpadForProcess(const std::string& process_type) override;
+
+ private:
+  base::FilePath crash_dumps_dir_;
+
+  DISALLOW_COPY_AND_ASSIGN(HeadlessCrashReporterClient);
+};
+
+}  // namespace headless
+
+#endif  // HEADLESS_LIB_HEADLESS_CRASH_REPORTER_CLIENT_H_