Remove the unused remnants of NPObject from Pepper

content/renderer/pepper/host_var_tracker_unittest.cc

Index: content/renderer/pepper/host_var_tracker_unittest.cc
diff --git a/content/renderer/pepper/host_var_tracker_unittest.cc b/content/renderer/pepper/host_var_tracker_unittest.cc
index 83fd3bdc5aa7fcb0212dba5ccfe8deec19981fb9..4bf11aae6644c5f5a3e6b1f6fd64a823a10f687f 100644
--- a/content/renderer/pepper/host_var_tracker_unittest.cc
+++ b/content/renderer/pepper/host_var_tracker_unittest.cc
@@ -100,7 +100,7 @@ TEST_F(HostVarTrackerTest, DeleteObjectVarWithInstance) {
   EXPECT_EQ(0, tracker().GetLiveV8ObjectVarsForTest(pp_instance2));
 }
 
-// Make sure that using the same NPObject should give the same PP_Var
+// Make sure that using the same v8 object should give the same PP_Var
 // each time.
 TEST_F(HostVarTrackerTest, ReuseVar) {
   PepperTryCatchForTest try_catch(instance());