[debugger] remove remaining uses of the debug command processor.

test/mjsunit/debug-return-value.js

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11 matching lines @@
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Flags: --expose-debug-as debug
 // Get the Debug object exposed from the debug context global object.
 Debug = debug.Debug
 
-
-function ParsedResponse(json) {
-  this.response_ = eval('(' + json + ')');
-  this.refs_ = [];
-  if (this.response_.refs) {
-    for (var i = 0; i < this.response_.refs.length; i++) {
-      this.refs_[this.response_.refs[i].handle] = this.response_.refs[i];
-    }
-  }
-}
-
-
-ParsedResponse.prototype.response = function() {
-  return this.response_;
-}
-
-
-ParsedResponse.prototype.body = function() {
-  return this.response_.body;
-}
-
-
-ParsedResponse.prototype.running = function() {
-  return this.response_.running;
-}
-
-
-ParsedResponse.prototype.lookup = function(handle) {
-  return this.refs_[handle];
-}
-
-
 listener_complete = false;
 exception = false;
 break_count = 0;
 expected_return_value = 0;
 debugger_source_position = 0;
 
 // Listener which expects to do four steps to reach returning from the function.
 function listener(event, exec_state, event_data, data) {
   try {
     if (event == Debug.DebugEvent.Break)
@@ skipping 28 matching lines @@
       } else {
         // Position at the end of the function.
         assertEquals(debugger_source_position + 50,
         exec_state.frame(0).sourcePosition());
 
         // Just about to return from the function.
         assertTrue(exec_state.frame(0).isAtReturn())
         assertEquals(expected_return_value,
                      exec_state.frame(0).returnValue().value());
 
-        // Check the same using the JSON commands.
-        var dcp = exec_state.debugCommandProcessor(false);
-        var request = '{"seq":0,"type":"request","command":"backtrace"}';
-        var resp = dcp.processDebugJSONRequest(request);
-        response = new ParsedResponse(resp);
-        frames = response.body().frames;
-        assertTrue(frames[0].atReturn);
-        assertEquals(expected_return_value,
-                     response.lookup(frames[0].returnValue.ref).value);
-
         listener_complete = true;
       }
     }
   } catch (e) {
     exception = e
     print(e + e.stack)
   };
 };
 
 // Add the debug event listener.
@@ skipping 23 matching lines @@
 assertTrue(listener_complete);
 assertEquals(4, break_count);
 
 break_count = 0;
 expected_return_value = 2;
 listener_complete = false;
 f(false);
 assertFalse(exception, "exception in listener")
 assertTrue(listener_complete);
 assertEquals(4, break_count);