Move memory management code into separate class for future reuse.

base/debug/activity_analyzer.cc

Index: base/debug/activity_analyzer.cc
diff --git a/base/debug/activity_analyzer.cc b/base/debug/activity_analyzer.cc
index 79d513b5af6c61a64b2ab4d0188c51db8fe2b329..4254df03a0191a81eaf12b88c6e94a3ceff30d08 100644
--- a/base/debug/activity_analyzer.cc
+++ b/base/debug/activity_analyzer.cc
@@ -90,7 +90,7 @@ void GlobalActivityAnalyzer::PrepareAllAnalyzers() {
   while ((ref = allocator_iterator_.GetNext(&type)) != 0) {
     switch (type) {
       case GlobalActivityTracker::kTypeIdActivityTracker:
-      case GlobalActivityTracker::kTypeIdActivityTrackerFree:
+      case ~GlobalActivityTracker::kTypeIdActivityTracker:
         // Free or not, add it to the list of references for later analysis.
         tracker_references_.insert(ref);
         break;