Cleanup: change PIDs to base::ProcessId (or pid_t)

chrome/browser/memory_details.h

 // Copyright (c) 2006-2008 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_MEMORY_DETAILS_H_
 #define CHROME_BROWSER_MEMORY_DETAILS_H_
 
 #include <vector>
 
 #include "base/process_util.h"
 #include "base/ref_counted.h"
 #include "chrome/common/child_process_info.h"
 
 class MessageLoop;
 
 // We collect data about each browser process.  A browser may
 // have multiple processes (of course!).  Even IE has multiple
 // processes these days.
 struct ProcessMemoryInformation {
   ProcessMemoryInformation()
       : pid(0),
         num_processes(0),
         is_diagnostics(false),
         type(ChildProcessInfo::UNKNOWN_PROCESS) {
   }
 
   // The process id.
-  int pid;
+  base::ProcessId pid;
   // The working set information.
   base::WorkingSetKBytes working_set;
   // The committed bytes.
   base::CommittedKBytes committed;
   // The process version
   std::wstring version;
   // The process product name.
   std::wstring product_name;
   // The number of processes which this memory represents.
   int num_processes;
@@ skipping 77 matching lines @@
   // Returns a pointer to the ProcessData structure for Chrome.
   ProcessData* ChromeBrowser();
 
   std::vector<ProcessData> process_data_;
   MessageLoop* ui_loop_;
 
   DISALLOW_EVIL_CONSTRUCTORS(MemoryDetails);
 };
 
 #endif  // CHROME_BROWSER_MEMORY_DETAILS_H_