Revert of Turn components/crash into a layered component.

components/crash/app/breakpad_mac.h

+// 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.
+
+#ifndef COMPONENTS_CRASH_APP_BREAKPAD_MAC_H_
+#define COMPONENTS_CRASH_APP_BREAKPAD_MAC_H_
+
+#include <string>
+
+// This header defines the entry points for Breakpad integration.
+
+namespace breakpad {
+
+// Initializes Breakpad.
+void InitCrashReporter(const std::string& process_type);
+
+// Give Breakpad a chance to store information about the current process.
+// Extra information requires a parsed command line, so call this after
+// CommandLine::Init has been called.
+void InitCrashProcessInfo(const std::string& process_type_switch);
+
+// Is Breakpad enabled?
+bool IsCrashReporterEnabled();
+
+}  // namespace breakpad
+
+#endif  // COMPONENTS_CRASH_APP_BREAKPAD_MAC_H_