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

src/mips/stub-cache-mips.cc

Index: src/mips/stub-cache-mips.cc
diff --git a/src/mips/stub-cache-mips.cc b/src/mips/stub-cache-mips.cc
index 620dce988c55a9df27ec3929d82d18911f0b4815..38e3680c9b2a656ba7b753fe6be4d9f2499b2575 100644
--- a/src/mips/stub-cache-mips.cc
+++ b/src/mips/stub-cache-mips.cc
@@ -1104,7 +1104,7 @@ Register StubCompiler::CheckPrototypes(Handle<JSObject> object,
         !current->IsJSGlobalObject() &&
         !current->IsJSGlobalProxy()) {
       if (!name->IsSymbol()) {
-        name = factory()->LookupSymbol(name);
+        name = factory()->InternalizeString(name);
       }
       ASSERT(current->property_dictionary()->FindEntry(*name) ==
              StringDictionary::kNotFound);