Address TODOs and remove obsolete ones.

runtime/vm/flow_graph_builder.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/flow_graph_builder.h"
 
 #include "lib/invocation_mirror.h"
 #include "vm/ast_printer.h"
 #include "vm/bit_vector.h"
 #include "vm/class_finalizer.h"
@@ skipping 3757 matching lines @@
 
 
 StaticCallInstr* EffectGraphVisitor::BuildThrowNoSuchMethodError(
     intptr_t token_pos,
     const Class& function_class,
     const String& function_name,
     ArgumentListNode* function_arguments,
     int invocation_type) {
   ZoneGrowableArray<PushArgumentInstr*>* arguments =
       new ZoneGrowableArray<PushArgumentInstr*>();
-  // Object receiver.
-  // TODO(regis): For now, we pass a class literal of the unresolved
-  // method's owner, but this is not specified and will probably change.
+  // Object receiver, actually a class literal of the unresolved method's owner.
   Type& type = Type::ZoneHandle(
       I,
       Type::New(function_class,
                 TypeArguments::Handle(I, TypeArguments::null()),
                 token_pos,
                 Heap::kOld));
   type ^= ClassFinalizer::FinalizeType(
       function_class, type, ClassFinalizer::kCanonicalize);
   Value* receiver_value = Bind(new ConstantInstr(type));
   arguments->Add(PushArgument(receiver_value));
@@ skipping 196 matching lines @@
           LanguageError::kBailout,
           Heap::kNew,
           "FlowGraphBuilder Bailout: %s %s",
           String::Handle(I, function.name()).ToCString(),
           reason));
   I->long_jump_base()->Jump(1, error);
   UNREACHABLE();
 }
 
 }  // namespace dart