Move Linux/Android breakpad implementation to breakpad component

components/breakpad/browser/crash_handler_host_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.
 
-#ifndef CHROME_BROWSER_CRASH_HANDLER_HOST_LINUX_H_
-#define CHROME_BROWSER_CRASH_HANDLER_HOST_LINUX_H_
+#ifndef COMPONENTS_BREAKPAD_BROWSER_CRASH_HANDLER_HOST_LINUX_H_
+#define COMPONENTS_BREAKPAD_BROWSER_CRASH_HANDLER_HOST_LINUX_H_
 
 #include <sys/types.h>
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/sequenced_worker_pool.h"
 
-struct BreakpadInfo;
-
 namespace base {
 class Thread;
 }
 
+namespace breakpad {
+
+struct BreakpadInfo;
+
 // This is the host for processes which run breakpad inside the sandbox on
 // Linux or Android. We perform the crash dump from the browser because it
 // allows us to be outside the sandbox.
 //
 // Processes signal that they need to be dumped by sending a datagram over a
 // UNIX domain socket. All processes of the same type share the client end of
 // this socket which is installed in their descriptor table before exec.
 class CrashHandlerHostLinux : public base::MessageLoopForIO::Watcher,
                               public base::MessageLoop::DestructionObserver {
  public:
@@ skipping 49 matching lines @@
   // by other tasks.
   base::SequencedWorkerPool::SequenceToken worker_pool_token_;
 
 #if defined(ADDRESS_SANITIZER)
   char* asan_report_str_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(CrashHandlerHostLinux);
 };
 
-#endif  // CHROME_BROWSER_CRASH_HANDLER_HOST_LINUX_H_
+}  // namespace breakpad
+
+#endif  // COMPONENTS_BREAKPAD_BROWSER_CRASH_HANDLER_HOST_LINUX_H_