Allow setting breakpoints in function literal field initializers under --dfe.

runtime/vm/kernel_to_il.h

 // Copyright (c) 2016, 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.
 
 #ifndef RUNTIME_VM_KERNEL_TO_IL_H_
 #define RUNTIME_VM_KERNEL_TO_IL_H_
 
 #if !defined(DART_PRECOMPILED_RUNTIME)
 
 #include "vm/growable_array.h"
@@ skipping 244 matching lines @@
   ~ActiveMemberScope() { *active_class_ = saved_; }
 
  private:
   ActiveClass* active_class_;
   ActiveClass saved_;
 };
 
 class TranslationHelper {
  public:
   explicit TranslationHelper(dart::Thread* thread);
+
+  TranslationHelper(dart::Thread* thread,
+                    dart::RawTypedData* string_offsets,
+                    dart::RawTypedData* string_data,
+                    dart::RawTypedData* canonical_names);
+
   virtual ~TranslationHelper() {}
 
   Thread* thread() { return thread_; }
 
   Zone* zone() { return zone_; }
 
   Isolate* isolate() { return isolate_; }
 
   Heap::Space allocation_space() { return allocation_space_; }
 
@@ skipping 672 matching lines @@
 namespace kernel {
 
 RawObject* EvaluateMetadata(const dart::Field& metadata_field);
 RawObject* BuildParameterDescriptor(const Function& function);
 
 }  // namespace kernel
 }  // namespace dart
 
 #endif  // !defined(DART_PRECOMPILED_RUNTIME)
 #endif  // RUNTIME_VM_KERNEL_TO_IL_H_