Always make a copy of a string when adding it to StringsStorage

src/profile-generator-inl.h

Index: src/profile-generator-inl.h
diff --git a/src/profile-generator-inl.h b/src/profile-generator-inl.h
index ac23ee3f01195be14df4de15c951ac1f030a98ee..e363f67761b78483e57c61287d25b4109f02af06 100644
--- a/src/profile-generator-inl.h
+++ b/src/profile-generator-inl.h
@@ -33,16 +33,6 @@
 namespace v8 {
 namespace internal {
 
-const char* StringsStorage::GetFunctionName(Name* name) {
-  return GetFunctionName(GetName(name));
-}
-
-
-const char* StringsStorage::GetFunctionName(const char* name) {
-  return strlen(name) > 0 ? name : ProfileGenerator::kAnonymousFunctionName;
-}
-
-
 CodeEntry::CodeEntry(Logger::LogEventsAndTags tag,
                      const char* name,
                      const char* name_prefix,