Fix a bunch of namespace polution.

llvm-svn: 101376
diff --git a/llvm/lib/Support/Timer.cpp b/llvm/lib/Support/Timer.cpp
index 4fac073..481f6ba 100644
--- a/llvm/lib/Support/Timer.cpp
+++ b/llvm/lib/Support/Timer.cpp
@@ -190,6 +190,8 @@
 //   NamedRegionTimer Implementation
 //===----------------------------------------------------------------------===//
 
+namespace {
+
 typedef StringMap<Timer> Name2TimerMap;
 
 class Name2PairMap {
@@ -216,6 +218,8 @@
   }
 };
 
+}
+
 static ManagedStatic<Name2TimerMap> NamedTimers;
 static ManagedStatic<Name2PairMap> NamedGroupedTimers;