Renamed "symbols" to "internalized strings" throughout the code base,

src/stub-cache.cc

Index: src/stub-cache.cc
diff --git a/src/stub-cache.cc b/src/stub-cache.cc
index 08ca3f6882bf05f3b5fc114b95808f2007d43d14..c481a74c24fc75538ce10f818bafdd64c02443aa 100644
--- a/src/stub-cache.cc
+++ b/src/stub-cache.cc
@@ -63,7 +63,7 @@ Code* StubCache::Set(String* name, Map* map, Code* code) {
   // Validate that the name does not move on scavenge, and that we
   // can use identity checks instead of string equality checks.
   ASSERT(!heap()->InNewSpace(name));
-  ASSERT(name->IsSymbol());
+  ASSERT(name->IsInternalizedString());
 
   // The state bits are not important to the hash function because
   // the stub cache only contains monomorphic stubs. Make sure that
@@ -400,7 +400,7 @@ Handle<Code> StubCache::ComputeKeyedLoadElement(Handle<Map> receiver_map) {
   Code::Flags flags =
       Code::ComputeMonomorphicFlags(Code::KEYED_LOAD_IC, Code::NORMAL);
   Handle<String> name =
-      isolate()->factory()->KeyedLoadElementMonomorphic_symbol();
+      isolate()->factory()->KeyedLoadElementMonomorphic_string();
 
   Handle<Object> probe(receiver_map->FindInCodeCache(*name, flags), isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);
@@ -428,8 +428,8 @@ Handle<Code> StubCache::ComputeKeyedStoreElement(
          stub_kind == KeyedStoreIC::STORE_AND_GROW_NO_TRANSITION);
 
   Handle<String> name = stub_kind == KeyedStoreIC::STORE_NO_TRANSITION
-      ? isolate()->factory()->KeyedStoreElementMonomorphic_symbol()
-      : isolate()->factory()->KeyedStoreAndGrowElementMonomorphic_symbol();
+      ? isolate()->factory()->KeyedStoreElementMonomorphic_string()
+      : isolate()->factory()->KeyedStoreAndGrowElementMonomorphic_string();
 
   Handle<Object> probe(receiver_map->FindInCodeCache(*name, flags), isolate_);
   if (probe->IsCode()) return Handle<Code>::cast(probe);