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

test/mjsunit/debug-mirror-cache.js

-// Copyright 2008 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
-//       with the distribution.
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-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
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-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-// 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
-// The functions used for testing backtraces. They are at the top to make the
-// testing of source line/column easier.
-function f(x, y) {
-  a=1;
-};
-
-function g() {
-  new f(1);
-};
-
-
-// Get the Debug object exposed from the debug context global object.
-Debug = debug.Debug
-
-listenerCallCount = 0;
-listenerExceptions = [];
-
-
-function listener(event, exec_state, event_data, data) {
-  try {
-  if (event == Debug.DebugEvent.Break)
-  {
-    listenerCallCount++;
-
-    // Check that mirror cache is cleared when entering debugger.
-    assertTrue(debug.MirrorCacheIsEmpty(), "Mirror cache not cleared");
-
-    // Get the debug command processor in paused state.
-    var dcp = exec_state.debugCommandProcessor(false);
-
-    // Make a backtrace request to create some mirrors.
-    var json;
-    json = '{"seq":0,"type":"request","command":"backtrace"}'
-    dcp.processDebugJSONRequest(json);
-
-    // Make sure looking up loaded scripts does not clear the cache.
-    Debug.scripts();
-
-    // Some mirrors where cached.
-    assertFalse(debug.MirrorCacheIsEmpty(), "Mirror cache not used");
-  }
-  } catch (e) {
-    print(e);
-    listenerExceptions.push(e);
-  };
-};
-
-// Add the debug event listener.
-Debug.setListener(listener);
-
-// Enter the debugger twice.
-debugger;
-debugger;
-
-assertEquals([], listenerExceptions, "Exception in listener");
-// Make sure that the debug event listener vas invoked.
-assertEquals(2, listenerCallCount, "Listener not called");