More cleanup based on profile information.

runtime/vm/symbols.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/symbols.h"
 
 #include "vm/handles.h"
 #include "vm/handles_impl.h"
 #include "vm/isolate.h"
 #include "vm/object.h"
@@ skipping 47 matching lines @@
   ASSERT((sizeof(names) / sizeof(const char*)) == Symbols::kNullCharId);
   ObjectStore* object_store = isolate->object_store();
   Array& symbol_table = Array::Handle();
 
 
   // First set up all the predefined string symbols.
   for (intptr_t i = 1; i < Symbols::kNullCharId; i++) {
     // The symbol_table needs to be reloaded as it might have grown in the
     // previous iteration.
     symbol_table = object_store->symbol_table();
-    String* str = String::ReadOnlyHandle(isolate);
+    String* str = String::ReadOnlyHandle();
     *str = OneByteString::New(names[i], Heap::kOld);
     Add(symbol_table, *str);
     symbol_handles_[i] = str;
   }
   Object::RegisterSingletonClassNames();
 
   // Add Latin1 characters as Symbols, so that Symbols::FromCharCode is fast.
   for (intptr_t c = 0; c < kNumberOfOneCharCodeSymbols; c++) {
     // The symbol_table needs to be reloaded as it might have grown in the
     // previous iteration.
     symbol_table = object_store->symbol_table();
     intptr_t idx = (kNullCharId + c);
     ASSERT(idx < kMaxPredefinedId);
     ASSERT(Utf::IsLatin1(c));
     uint8_t ch = static_cast<uint8_t>(c);
-    String* str = String::ReadOnlyHandle(isolate);
+    String* str = String::ReadOnlyHandle();
     *str = OneByteString::New(&ch, 1, Heap::kOld);
     Add(symbol_table, *str);
     predefined_[c] = str->raw();
     symbol_handles_[idx] = str;
   }
 }
 
 
 void Symbols::SetupSymbolTable(Isolate* isolate) {
   ASSERT(isolate != NULL);
@@ skipping 352 matching lines @@
 RawObject* Symbols::GetVMSymbol(intptr_t object_id) {
   ASSERT(IsVMSymbolId(object_id));
   intptr_t i = (object_id - kMaxPredefinedObjectIds);
   if ((i > kIllegal) && (i < Symbols::kMaxPredefinedId)) {
     return symbol_handles_[i]->raw();
   }
   return Object::null();
 }
 
 }  // namespace dart