Remove deprecated string features.

runtime/vm/flow_graph_optimizer.cc

 // Copyright (c) 2013, 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/flow_graph_optimizer.h"
 
 #include "vm/bit_vector.h"
 #include "vm/cha.h"
 #include "vm/flow_graph_builder.h"
 #include "vm/flow_graph_compiler.h"
@@ skipping 1238 matching lines @@
       }
       InlineStringIsEmptyGetter(call);
       return true;
     default:
       ASSERT(recognized_kind == MethodRecognizer::kUnknown);
   }
   return false;
 }
 
 
-LoadIndexedInstr* FlowGraphOptimizer::BuildStringCharCodeAt(
+LoadIndexedInstr* FlowGraphOptimizer::BuildStringCodeUnitAt(
     InstanceCallInstr* call,
     intptr_t cid) {
   Definition* str = call->ArgumentAt(0);
   Definition* index = call->ArgumentAt(1);
   AddReceiverCheck(call);
   InsertBefore(call,
                new CheckSmiInstr(new Value(index), call->deopt_id()),
                call->env(),
                Definition::kEffect);
   // If both index and string are constants, then do a compile-time check.
@@ skipping 87 matching lines @@
     case MethodRecognizer::kExternalUint8ClampedArrayGetIndexed:
     case MethodRecognizer::kInt16ArrayGetIndexed:
     case MethodRecognizer::kUint16ArrayGetIndexed:
     case MethodRecognizer::kInt32ArrayGetIndexed:
     case MethodRecognizer::kUint32ArrayGetIndexed:
       return TryReplaceWithLoadIndexed(call);
     default:
       break;
   }
 
-  if ((recognized_kind == MethodRecognizer::kStringBaseCharCodeAt) &&
+  if ((recognized_kind == MethodRecognizer::kStringBaseCodeUnitAt) &&
       (ic_data.NumberOfChecks() == 1) &&
       ((class_ids[0] == kOneByteStringCid) ||
        (class_ids[0] == kTwoByteStringCid))) {
-    LoadIndexedInstr* instr = BuildStringCharCodeAt(call, class_ids[0]);
+    LoadIndexedInstr* instr = BuildStringCodeUnitAt(call, class_ids[0]);
     ReplaceCall(call, instr);
     return true;
   }
   if ((recognized_kind == MethodRecognizer::kStringBaseCharAt) &&
       (ic_data.NumberOfChecks() == 1) &&
       (class_ids[0] == kOneByteStringCid)) {
     // TODO(fschneider): Handle TwoByteString.
     LoadIndexedInstr* load_char_code =
-        BuildStringCharCodeAt(call, class_ids[0]);
+        BuildStringCodeUnitAt(call, class_ids[0]);
     InsertBefore(call, load_char_code, NULL, Definition::kValue);
     StringFromCharCodeInstr* char_at =
         new StringFromCharCodeInstr(new Value(load_char_code),
                                     kOneByteStringCid);
     ReplaceCall(call, char_at);
     return true;
   }
 
   if ((recognized_kind == MethodRecognizer::kIntegerToDouble) &&
       (class_ids[0] == kSmiCid)) {
@@ skipping 2795 matching lines @@
 
   if (FLAG_trace_constant_propagation) {
     OS::Print("\n==== After constant propagation ====\n");
     FlowGraphPrinter printer(*graph_);
     printer.PrintBlocks();
   }
 }
 
 
 }  // namespace dart