Move Singleton and related structs to namespace base

base/trace_event/trace_log.cc

Index: base/trace_event/trace_log.cc
diff --git a/base/trace_event/trace_log.cc b/base/trace_event/trace_log.cc
index af2124efd007c1f17b7279190ec7482244ebc869..2bfee0eafef10963d7090bf3739eaf9d6941c52a 100644
--- a/base/trace_event/trace_log.cc
+++ b/base/trace_event/trace_log.cc
@@ -39,18 +39,22 @@
 #include "base/trace_event/trace_event_win.h"
 #endif
 
+namespace base {
 class DeleteTraceLogForTesting {

[rvargas (doing something else), 2015/08/21 19:43:05]

move to line 57

  public:
   static void Delete() {
-    Singleton<base::trace_event::TraceLog,
-              LeakySingletonTraits<base::trace_event::TraceLog>>::OnExit(0);
+    base::Singleton<

[rvargas (doing something else), 2015/08/21 19:43:05]

no base::

+        base::trace_event::TraceLog,
+        base::LeakySingletonTraits<base::trace_event::TraceLog>>::OnExit(0);
   }
 };
+}  // namespace base
 
 // The thread buckets for the sampling profiler.
 BASE_EXPORT TRACE_EVENT_API_ATOMIC_WORD g_trace_state[3];
 
 namespace base {
+
 namespace trace_event {
 
 namespace {