[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/property.h

Index: src/property.h
diff --git a/src/property.h b/src/property.h
index 9ca823e7e585b4a2aa5acdfee26b222a125afbfc..ae943a0e3844cd2d10bff579b8d325e2d7aa7d7c 100644
--- a/src/property.h
+++ b/src/property.h
@@ -266,12 +266,26 @@ class LookupResult BASE_EMBEDDED {
     return Map::cast(GetValue());
   }
 
+  Map* GetTransitionMapFromMap(Map* map) {
+    ASSERT(lookup_type_ == DESCRIPTOR_TYPE);
+    ASSERT(type() == MAP_TRANSITION);
+    return Map::cast(map->instance_descriptors()->GetValue(number_));
+  }
+
   int GetFieldIndex() {
     ASSERT(lookup_type_ == DESCRIPTOR_TYPE);
     ASSERT(type() == FIELD);
     return Descriptor::IndexFromValue(GetValue());
   }
 
+  int GetLocalFieldIndexFromMap(Map* map) {
+    ASSERT(lookup_type_ == DESCRIPTOR_TYPE);
+    ASSERT(type() == FIELD);
+    return Descriptor::IndexFromValue(
+        map->instance_descriptors()->GetValue(number_)) -
+        map->inobject_properties();
+  }
+
   int GetDictionaryEntry() {
     ASSERT(lookup_type_ == DICTIONARY_TYPE);
     return number_;
@@ -282,6 +296,12 @@ class LookupResult BASE_EMBEDDED {
     return JSFunction::cast(GetValue());
   }
 
+  JSFunction* GetConstantFunctionFromMap(Map* map) {
+    ASSERT(lookup_type_ == DESCRIPTOR_TYPE);
+    ASSERT(type() == CONSTANT_FUNCTION);
+    return JSFunction::cast(map->instance_descriptors()->GetValue(number_));
+  }
+
   Object* GetCallbackObject() {
     if (lookup_type_ == CONSTANT_TYPE) {
       // For now we only have the __proto__ as constant type.