Deprecate old debugger breakpoint handler

runtime/vm/debugger.h

 // 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.
 
 #ifndef VM_DEBUGGER_H_
 #define VM_DEBUGGER_H_
 
 #include "include/dart_debugger_api.h"
 
 #include "vm/object.h"
@@ skipping 214 matching lines @@
     kBreakpointReached = 1,
     kBreakpointResolved = 2,
     kExceptionThrown = 3,
     kIsolateCreated = 4,
     kIsolateShutdown = 5,
     kIsolateInterrupted = 6,
   };
   struct DebuggerEvent {
     EventType type;
     union {
-      DebuggerStackTrace* stack_trace;
+      ActivationFrame* top_frame;
       SourceBreakpoint* breakpoint;
       const Object* exception;
       Dart_Port isolate_id;
     };
   };
   typedef void EventHandler(DebuggerEvent *event);
 
   Debugger();
   ~Debugger();
 
@@ skipping 38 matching lines @@
   RawArray* GetLibraryFields(const Library& lib);
   RawArray* GetGlobalFields(const Library& lib);
 
   intptr_t CacheObject(const Object& obj);
   RawObject* GetCachedObject(intptr_t obj_id);
   bool IsValidObjectId(intptr_t obj_id);
 
   Dart_Port GetIsolateId() { return isolate_id_; }
 
   static void SetEventHandler(EventHandler* handler);
-  static void SetBreakpointHandler(BreakpointHandler* handler);
 
   // Utility functions.
   static const char* QualifiedFunctionName(const Function& func);
 
   RawObject* GetInstanceField(const Class& cls,
                               const String& field_name,
                               const Instance& object);
   RawObject* GetStaticField(const Class& cls,
                             const String& field_name);
 
@@ skipping 78 matching lines @@
 
   friend class Isolate;
   friend class SourceBreakpoint;
   DISALLOW_COPY_AND_ASSIGN(Debugger);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_DEBUGGER_H_