More memory stats code cleanup:...

base/process_util.h

 // Copyright (c) 2009 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_
 
@@ skipping 402 matching lines @@
   int64 last_system_time_;
 
 #if defined(OS_LINUX)
   // Jiffie count at the last_time_ we updated.
   int last_cpu_;
 #endif
 
   DISALLOW_EVIL_CONSTRUCTORS(ProcessMetrics);
 };
 
+// Returns the memory commited by the system in KBytes.
+// Returns 0 if it can't compute the commit charge.
+size_t GetSystemCommitCharge();
+
 // Enables low fragmentation heap (LFH) for every heaps of this process. This
 // won't have any effect on heaps created after this function call. It will not
 // modify data allocated in the heaps before calling this function. So it is
 // better to call this function early in initialization and again before
 // entering the main loop.
 // Note: Returns true on Windows 2000 without doing anything.
 bool EnableLowFragmentationHeap();
 
 // Enables 'terminate on heap corruption' flag. Helps protect against heap
 // overflow. Has no effect if the OS doesn't provide the necessary facility.
@@ skipping 17 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
 
 }  // namespace base
 
 #endif  // BASE_PROCESS_UTIL_H_