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

chrome/renderer/render_thread.cc

 // 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.
 
 #include "chrome/renderer/render_thread.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 362 matching lines @@
 }
 
 void RenderThread::OnGetRendererHistograms(int sequence_number) {
   SendHistograms(sequence_number);
 }
 
 #if defined(USE_TCMALLOC)
 void RenderThread::OnGetRendererTcmalloc() {
   std::string result;
   char buffer[1024 * 32];
-  int pid = base::GetCurrentProcId();
+  base::ProcessId pid = base::GetCurrentProcId();
   MallocExtension::instance()->GetStats(buffer, sizeof(buffer));
   result.append(buffer);
   Send(new ViewHostMsg_RendererTcmalloc(pid, result));
 }
 #endif
 
 void RenderThread::InformHostOfCacheStats() {
   EnsureWebKitInitialized();
   WebCache::UsageStats stats;
   WebCache::getUsageStats(&stats);
@@ skipping 168 matching lines @@
 void RenderThread::OnPurgePluginListCache(bool reload_pages) {
   EnsureWebKitInitialized();
   // The call below will cause a GetPlugins call with refresh=true, but at this
   // point we already know that the browser has refreshed its list, so disable
   // refresh temporarily to prevent each renderer process causing the list to be
   // regenerated.
   plugin_refresh_allowed_ = false;
   WebKit::resetPluginCache(reload_pages);
   plugin_refresh_allowed_ = true;
 }