Fix shared_library build break on Chrome OS caused by r128351.

base/process_util.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.
 
 // This file/namespace contains utility functions for enumerating, ending and
 // computing statistics of processes.
 
 #ifndef BASE_PROCESS_UTIL_H_
 #define BASE_PROCESS_UTIL_H_
 #pragma once
@@ skipping 117 matching lines @@
 enum TerminationStatus {
   TERMINATION_STATUS_NORMAL_TERMINATION,   // zero exit status
   TERMINATION_STATUS_ABNORMAL_TERMINATION, // non-zero exit status
   TERMINATION_STATUS_PROCESS_WAS_KILLED,   // e.g. SIGKILL or task manager kill
   TERMINATION_STATUS_PROCESS_CRASHED,      // e.g. Segmentation fault
   TERMINATION_STATUS_STILL_RUNNING,        // child hasn't exited yet
   TERMINATION_STATUS_MAX_ENUM
 };
 
 #if defined(USE_LINUX_BREAKPAD)
-extern size_t g_oom_size;
+BASE_EXPORT extern size_t g_oom_size;
 #endif
 
 // Returns the id of the current process.
 BASE_EXPORT ProcessId GetCurrentProcId();
 
 // Returns the ProcessHandle of the current process.
 BASE_EXPORT ProcessHandle GetCurrentProcessHandle();
 
 #if defined(OS_WIN)
 // Returns the module handle to which an address belongs.
@@ skipping 686 matching lines @@
 // instance running inside the parent.  The parent's Breakpad instance should
 // not handle the child's exceptions.  Calling RestoreDefaultExceptionHandler
 // in the child after forking will restore the standard exception handler.
 // See http://crbug.com/20371/ for more details.
 void RestoreDefaultExceptionHandler();
 #endif  // defined(OS_MACOSX)
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_