Remove many features when building product mode

runtime/vm/debugger.cc

 // 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.
 
 #include "vm/debugger.h"
 
 #include "include/dart_api.h"
 
 #include "vm/code_generator.h"
 #include "vm/code_patcher.h"
@@ skipping 31 matching lines @@
             "Intercept breakpoints and other pause events before they "
             "are sent to the embedder and use a generic VM breakpoint "
             "handler instead.  This handler dispatches breakpoints to "
             "the VM service.");
 
 DECLARE_FLAG(bool, trace_isolates);
 DECLARE_FLAG(bool, warn_on_pause_with_no_debugger);
 DECLARE_FLAG(bool, precompilation);
 
 
+#ifndef PRODUCT
+
 Debugger::EventHandler* Debugger::event_handler_ = NULL;
 
 
 class RemoteObjectCache : public ZoneAllocated {
  public:
   explicit RemoteObjectCache(intptr_t initial_size);
   intptr_t AddObject(const Object& obj);
   RawObject* GetObj(intptr_t obj_id) const;
   bool IsValidId(intptr_t obj_id) const {
     return obj_id < objs_->Length();
@@ skipping 3210 matching lines @@
   breakpoint_locations_ = bpt;
 }
 
 
 void Debugger::RegisterCodeBreakpoint(CodeBreakpoint* bpt) {
   ASSERT(bpt->next() == NULL);
   bpt->set_next(code_breakpoints_);
   code_breakpoints_ = bpt;
 }
 
+#endif  // !PRODUCT
+
 }  // namespace dart