Introduce compact version of debugger response

src/debug-delay.js

Index: src/debug-delay.js
===================================================================
--- src/debug-delay.js	(revision 1968)
+++ src/debug-delay.js	(working copy)
@@ -1462,6 +1462,9 @@
     if (from_index < 0 || to_index < 0) {
       return response.failed('Invalid frame number');
     }
+    if (request.arguments.compactFormat) {
+      response.setOption('compactFormat', true);
+    }
   }
 
   // Adjust the index.
@@ -1589,6 +1592,10 @@
     includeSource = %ToBoolean(request.arguments.includeSource);
     response.setOption('includeSource', includeSource);
   }
+  
+  if (request.arguments.compactFormat) {
+    response.setOption('compactFormat', true);
+  }
 
   // Lookup handles.
   var mirrors = {};