Allow setting break-on-exceptions option over the service protocol.

runtime/vm/isolate.cc

 // Copyright (c) 2013, 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/isolate.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/json.h"
 #include "vm/code_observers.h"
@@ skipping 1618 matching lines @@
     for (intptr_t i = 0; i < num_libs; i++) {
       lib ^= libs.At(i);
       ASSERT(!lib.IsNull());
       lib_array.AddValue(lib);
     }
   }
   {
     JSONArray breakpoints(&jsobj, "breakpoints");
     debugger()->PrintBreakpointsToJSONArray(&breakpoints);
   }
+
+  {
+    JSONObject jssettings(&jsobj, "_debuggerSettings");
+    debugger()->PrintSettingsToJSONObject(&jssettings);
+  }
 }
 
 
 intptr_t Isolate::ProfileInterrupt() {
   // Other threads might be modifying these fields. Save them in locals so that
   // we can at least trust the NULL check.
   IsolateProfilerData* prof_data = profiler_data();
   if (prof_data == NULL) {
     // Profiler not setup for isolate.
     return 0;
@@ skipping 377 matching lines @@
                            serialized_message_, serialized_message_len_);
 }
 
 
 void IsolateSpawnState::Cleanup() {
   SwitchIsolateScope switch_scope(I);
   Dart::ShutdownIsolate();
 }
 
 }  // namespace dart