Make base::Logging compile with the NaCl toolchain.

base/debug/trace_event_impl.cc

 // 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.
 
 #include "base/debug/trace_event_impl.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
@@ skipping 317 matching lines @@
   // accessing the enabled flag. We don't care whether edge-case events are
   // traced or not, so we allow races on the enabled flag to keep the trace
   // macros fast.
   // TODO(jbates): ANNOTATE_BENIGN_RACE_SIZED crashes windows TSAN bots:
   // ANNOTATE_BENIGN_RACE_SIZED(g_category_enabled, sizeof(g_category_enabled),
   //                            "trace_event category enabled");
   for (int i = 0; i < TRACE_EVENT_MAX_CATEGORIES; ++i) {
     ANNOTATE_BENIGN_RACE(&g_category_enabled[i],
                          "trace_event category enabled");
   }
+#if defined(OS_NACL)  // NaCl shouldn't expose the process id.
+  SetProcessID(0);
+#else
   SetProcessID(static_cast<int>(base::GetCurrentProcId()));
+#endif
 }
 
 TraceLog::~TraceLog() {
 }
 
 const unsigned char* TraceLog::GetCategoryEnabled(const char* name) {
   TraceLog* tracelog = GetInstance();
   if (!tracelog) {
     DCHECK(!g_category_enabled[g_category_already_shutdown]);
     return &g_category_enabled[g_category_already_shutdown];
@@ skipping 407 matching lines @@
   // Create a FNV hash from the process ID for XORing.
   // See http://isthe.com/chongo/tech/comp/fnv/ for algorithm details.
   unsigned long long offset_basis = 14695981039346656037ull;
   unsigned long long fnv_prime = 1099511628211ull;
   unsigned long long pid = static_cast<unsigned long long>(process_id_);
   process_id_hash_ = (offset_basis ^ pid) * fnv_prime;
 }
 
 }  // namespace debug
 }  // namespace base