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diff --git a/components/crash/content/tools/crash_service.h b/components/crash/content/tools/crash_service.h
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+++ b/components/crash/content/tools/crash_service.h
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+// Copyright (c) 2011 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 COMPONENTS_CRASH_CONTENT_TOOLS_CRASH_SERVICE_H_
+#define COMPONENTS_CRASH_CONTENT_TOOLS_CRASH_SERVICE_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/files/file_path.h"
+#include "base/synchronization/lock.h"
+
+namespace google_breakpad {
+
+class CrashReportSender;
+class CrashGenerationServer;
+class ClientInfo;
+
+}
+
+namespace breakpad {
+
+// This class implements an out-of-process crash server. It uses breakpad's
+// CrashGenerationServer and CrashReportSender to generate and then send the
+// crash dumps. Internally, it uses OS specific pipe to allow applications to
+// register for crash dumps and later on when a registered application crashes
+// it will signal an event that causes this code to wake up and perform a
+// crash dump on the signaling process. The dump is then stored on disk and
+// possibly sent to the crash2 servers.
+class CrashService {
+ public:
+  CrashService();
+  ~CrashService();
+
+  // Starts servicing crash dumps. Returns false if it failed. Do not use
+  // other members in that case. |operating_dir| is where the CrashService
+  // should store breakpad's checkpoint file. |dumps_path| is the directory
+  // where the crash dumps should be stored.
+  bool Initialize(const base::FilePath& operating_dir,
+                  const base::FilePath& dumps_path);
+
+  // Command line switches:
+  //
+  // --max-reports=<number>
+  // Allows to override the maximum number for reports per day. Normally
+  // the crash dumps are never sent so if you want to send any you must
+  // specify a positive number here.
+  static const char kMaxReports[];
+  // --no-window
+  // Does not create a visible window on the desktop. The window does not have
+  // any other functionality other than allowing the crash service to be
+  // gracefully closed.
+  static const char kNoWindow[];
+  // --reporter=<string>
+  // Allows to specify a custom string that appears on the detail crash report
+  // page in the crash server. This should be a 25 chars or less string.
+  // The default tag if not specified is 'crash svc'.
+  static const char kReporterTag[];
+  // --dumps-dir=<directory-path>
+  // Override the directory to which crash dump files will be written.
+  static const char kDumpsDir[];
+  // --pipe-name=<string>
+  // Override the name of the Windows named pipe on which we will
+  // listen for crash dump request messages.
+  static const char kPipeName[];
+
+  // Returns number of crash dumps handled.
+  int requests_handled() const {
+    return requests_handled_;
+  }
+  // Returns number of crash clients registered.
+  int clients_connected() const {
+    return clients_connected_;
+  }
+  // Returns number of crash clients terminated.
+  int clients_terminated() const {
+    return clients_terminated_;
+  }
+
+  // Starts the processing loop. This function does not return unless the
+  // user is logging off or the user closes the crash service window. The
+  // return value is a good number to pass in ExitProcess().
+  int ProcessingLoop();
+
+ private:
+  static void OnClientConnected(void* context,
+                                const google_breakpad::ClientInfo* client_info);
+
+  static void OnClientDumpRequest(
+      void* context,
+      const google_breakpad::ClientInfo* client_info,
+      const std::wstring* file_path);
+
+  static void OnClientExited(void* context,
+                             const google_breakpad::ClientInfo* client_info);
+
+  // This routine sends the crash dump to the server. It takes the sending_
+  // lock when it is performing the send.
+  static unsigned long __stdcall AsyncSendDump(void* context);
+
+  // Returns the security descriptor which access to low integrity processes
+  // The caller is supposed to free the security descriptor by calling
+  // LocalFree.
+  PSECURITY_DESCRIPTOR GetSecurityDescriptorForLowIntegrity();
+
+  google_breakpad::CrashGenerationServer* dumper_;
+  google_breakpad::CrashReportSender* sender_;
+
+  // the extra tag sent to the server with each dump.
+  std::wstring reporter_tag_;
+
+  // clients serviced statistics:
+  int requests_handled_;
+  int requests_sent_;
+  volatile long clients_connected_;
+  volatile long clients_terminated_;
+  base::Lock sending_;
+
+  DISALLOW_COPY_AND_ASSIGN(CrashService);
+};
+
+}  // namespace breakpad
+
+#endif  // COMPONENTS_CRASH_CONTENT_TOOLS_CRASH_SERVICE_H_