Move Linux/Android breakpad implementation to breakpad component

components/breakpad/app/breakpad_linux.h

 // Copyright (c) 2012 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 CHROME_APP_BREAKPAD_LINUX_H_
-#define CHROME_APP_BREAKPAD_LINUX_H_
+#ifndef COMPONENTS_BREAKPAD_APP_BREAKPAD_LINUX_H_
+#define COMPONENTS_BREAKPAD_APP_BREAKPAD_LINUX_H_
 
 #include "build/build_config.h"
 
+namespace breakpad {
+
 // Turns on the crash reporter in any process.
 extern void InitCrashReporter();
 
 // Enables the crash reporter in child processes.
 #if defined(OS_ANDROID)
 extern void InitNonBrowserCrashReporterForAndroid();
 #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();
 
-#endif  // CHROME_APP_BREAKPAD_LINUX_H_
+}  // namespace breakpad
+
+#endif  // COMPONENTS_BREAKPAD_APP_BREAKPAD_LINUX_H_