[interpreter, debugger] support debug breaks via bytecode array copy

src/debug/debug-frames.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_DEBUG_DEBUG_FRAMES_H_
 #define V8_DEBUG_DEBUG_FRAMES_H_
 
 #include "src/deoptimizer.h"
 #include "src/frames.h"
 #include "src/isolate.h"
@@ skipping 30 matching lines @@
                                                Handle<ScopeInfo> scope_info);
 
  private:
   bool ParameterIsShadowedByContextLocal(Handle<ScopeInfo> info,
                                          Handle<String> parameter_name);
 
   JavaScriptFrame* frame_;
   DeoptimizedFrameInfo* deoptimized_frame_;
   Isolate* isolate_;
   bool is_optimized_;
+  bool is_interpreted_;
   bool is_bottommost_;
   bool has_adapted_arguments_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameInspector);
 };
 
 
 class DebugFrameHelper : public AllStatic {
  public:
   static SaveContext* FindSavedContextForFrame(Isolate* isolate,
@@ skipping 10 matching lines @@
 
   static StackFrame::Id UnwrapFrameId(int wrapped) {
     return static_cast<StackFrame::Id>(wrapped << 2);
   }
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_FRAMES_H_