Removed IsTransitionType predicate.

src/property-details.h

Index: src/property-details.h
diff --git a/src/property-details.h b/src/property-details.h
index 135c2ca01321fb67fbadba602f7f47b6b6fb792e..5d3f14e07d70d1b30895282f68f8a175c6264551 100644
--- a/src/property-details.h
+++ b/src/property-details.h
@@ -73,26 +73,6 @@ enum PropertyType {
 };
 
 
-inline bool IsTransitionType(PropertyType type) {
-  switch (type) {
-    case MAP_TRANSITION:
-    case CONSTANT_TRANSITION:
-    case ELEMENTS_TRANSITION:
-      return true;
-    case NORMAL:
-    case FIELD:
-    case CONSTANT_FUNCTION:
-    case CALLBACKS:
-    case HANDLER:
-    case INTERCEPTOR:
-    case NULL_DESCRIPTOR:
-      return false;
-  }
-  UNREACHABLE();  // keep the compiler happy
-  return false;
-}
-
-
 inline bool IsRealProperty(PropertyType type) {
   switch (type) {
     case NORMAL:
@@ -139,12 +119,6 @@ class PropertyDetails BASE_EMBEDDED {
 
   PropertyType type() { return TypeField::decode(value_); }
 
-  bool IsTransition() {
-    PropertyType t = type();
-    ASSERT(t != INTERCEPTOR);
-    return IsTransitionType(t);
-  }
-
   bool IsProperty() {
     return IsRealProperty(type());
   }