Revert of Turn components/crash into a layered component.

components/crash/app/breakpad_linux.h

Index: components/crash/app/breakpad_linux.h
diff --git a/components/crash/app/breakpad_linux.h b/components/crash/app/breakpad_linux.h
new file mode 100644
index 0000000000000000000000000000000000000000..83a30689bb2fe1a735b2db1abbf17665340cc902
--- /dev/null
+++ b/components/crash/app/breakpad_linux.h
@@ -0,0 +1,32 @@
+// 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.
+
+// Public interface for enabling Breakpad on Linux systems.
+
+#ifndef COMPONENTS_CRASH_APP_BREAKPAD_LINUX_H_
+#define COMPONENTS_CRASH_APP_BREAKPAD_LINUX_H_
+
+#include <string>
+
+#include "build/build_config.h"
+
+namespace breakpad {
+
+// Turns on the crash reporter in any process.
+extern void InitCrashReporter(const std::string& process_type);
+
+// Enables the crash reporter in child processes.
+#if defined(OS_ANDROID)
+extern void InitNonBrowserCrashReporterForAndroid(
+    const std::string& process_type);
+#endif
+
+// Checks if crash reporting is enabled. Note that this is not the same as
+// being opted into metrics reporting (and crash reporting), which controls
+// whether InitCrashReporter() is called.
+bool IsCrashReporterEnabled();
+
+}  // namespace breakpad
+
+#endif  // COMPONENTS_CRASH_APP_BREAKPAD_LINUX_H_