Remove some unnecessary ifs.

crypto/scoped_nss_types.h

Index: crypto/scoped_nss_types.h
diff --git a/crypto/scoped_nss_types.h b/crypto/scoped_nss_types.h
index d5aebc5dd205c97cd55d253b3dbc95f45d65af6a..8e96e8d4e20ffedb34a529e62ec7e92451bd8c5d 100644
--- a/crypto/scoped_nss_types.h
+++ b/crypto/scoped_nss_types.h
@@ -17,16 +17,14 @@ namespace crypto {
 template <typename Type, void (*Destroyer)(Type*)>
 struct NSSDestroyer {
   void operator()(Type* ptr) const {
-    if (ptr)
-      Destroyer(ptr);
+    Destroyer(ptr);
   }
 };
 
 template <typename Type, void (*Destroyer)(Type*, PRBool), PRBool freeit>
 struct NSSDestroyer1 {
   void operator()(Type* ptr) const {
-    if (ptr)
-      Destroyer(ptr, freeit);
+    Destroyer(ptr, freeit);
   }
 };