Remove deprecated debugger code

runtime/include/dart_debugger_api.h

 // Copyright (c) 2011, 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 INCLUDE_DART_DEBUGGER_API_H_
 #define INCLUDE_DART_DEBUGGER_API_H_
 
 #include "include/dart_api.h"
 
 typedef struct _Dart_Breakpoint* Dart_Breakpoint;
@@ skipping 15 matching lines @@
 #define ILLEGAL_ISOLATE_ID ILLEGAL_PORT
 
 
 /**
  * Null value for breakpoint id. Guaranteed never to be associated
  * with a valid breakpoint.
  */
 #define ILLEGAL_BREAKPOINT_ID 0
 
 
-// DEPRECATED -- use Dart_PausedEventHandler
-typedef void Dart_BreakpointHandler(Dart_IsolateId isolate_id,
-                                    Dart_Breakpoint breakpoint,
-                                    Dart_StackTrace stack_trace);
-
 typedef void Dart_ExceptionThrownHandler(Dart_IsolateId isolate_id,
                                          Dart_Handle exception_object,
                                          Dart_StackTrace stack_trace);
 
 typedef enum {
   kCreated = 0,
   kInterrupted,
   kShutdown,
 } Dart_IsolateEvent;
 
@@ skipping 231 matching lines @@
 /**
  * Can be called from the breakpoint handler. Causes the debugger to
  * break after returning from the current Dart function.
  *
  * Requires there to be a current isolate.
  */
 DART_EXPORT Dart_Handle Dart_SetStepOut();
 
 
 /**
- * DEPRECATED -- use Dart_SetPausedEventHandler
- *
- * Installs a handler callback function that gets called by the VM
- * when a breakpoint has been reached.
- *
- * Requires there to be a current isolate.
- */
-DART_EXPORT void Dart_SetBreakpointHandler(
-                            Dart_BreakpointHandler bp_handler);
-
-
-/**
  * Installs a handler callback function that gets called by the VM
  * when a breakpoint location has been reached or when stepping.
  *
  * Requires there to be a current isolate.
  */
 DART_EXPORT void Dart_SetPausedEventHandler(
                             Dart_PausedEventHandler handler);
 
 
 /**
@@ skipping 418 matching lines @@
 
 
 /**
  * Returns the isolate id for an isolate.
  *
  * \return The Dart_IsolateId value corresponding to the isolate.
  */
 DART_EXPORT Dart_IsolateId Dart_GetIsolateId(Dart_Isolate isolate);
 
 #endif  // INCLUDE_DART_DEBUGGER_API_H_