Splitting debugger breakpoints into two parts

runtime/vm/debugger_arm.cc

 // 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.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/debugger.h"
 
 namespace dart {
 
 RawInstance* ActivationFrame::GetLocalVarValue(intptr_t slot_index) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 RawInstance* ActivationFrame::GetInstanceCallReceiver(
                  intptr_t num_actual_args) {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
-void Breakpoint::PatchFunctionReturn() {
+void CodeBreakpoint::PatchFunctionReturn() {
   UNIMPLEMENTED();
 }
 
 
-void Breakpoint::RestoreFunctionReturn() {
+void CodeBreakpoint::RestoreFunctionReturn() {
   UNIMPLEMENTED();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM