Rename all methods accessing Singleton<T> as GetInstance().

webkit/glue/plugins/pepper_resource_tracker.h

Index: webkit/glue/plugins/pepper_resource_tracker.h
diff --git a/webkit/glue/plugins/pepper_resource_tracker.h b/webkit/glue/plugins/pepper_resource_tracker.h
index 09ff976e2d6cbcf95128c960432edccf450e51d8..0e463b4d982b07af6a2f37d3514dcde7e2f1eeee 100644
--- a/webkit/glue/plugins/pepper_resource_tracker.h
+++ b/webkit/glue/plugins/pepper_resource_tracker.h
@@ -12,11 +12,14 @@
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.h"
 #include "base/ref_counted.h"
-#include "base/singleton.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/pp_resource.h"
 
+namespace base {
+template <typename T> struct DefaultLazyInstanceTraits;
+}
+
 namespace pepper {
 
 class PluginInstance;
@@ -91,7 +94,7 @@ class ResourceTracker {
   PluginInstance* GetInstance(PP_Instance instance);
 
  private:
-  friend struct DefaultSingletonTraits<ResourceTracker>;
+  friend struct base::DefaultLazyInstanceTraits<ResourceTracker>;
   friend class Resource;
   friend class ResourceTrackerTest;