Do not clear mirror cache when fetching loaded scripts.

src/debug-debugger.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Default number of frames to include in the response to backtrace request.
 var kDefaultBacktraceLength = 10;
 
 var Debug = {};
 
 // Regular expression to skip "crud" at the beginning of a source line which is
@@ skipping 468 matching lines @@
   var result = [];
   for (var i = 0; i < script_break_points.length; i++) {
     if (script_break_points[i].matchesScript(script)) {
       result.push(script_break_points[i]);
     }
   }
   return result;
 }
 
 
-function GetLoadedScripts() {
-  ClearMirrorCache();  // The mirror cache may be holding onto scripts.
-  return %DebugGetLoadedScripts();
-}
-
-
 Debug.setListener = function(listener, opt_data) {
   if (!IS_FUNCTION(listener) && !IS_UNDEFINED(listener) && !IS_NULL(listener)) {
     throw new Error('Parameters have wrong types.');
   }
   %SetDebugEventListener(listener, opt_data);
 };
 
 
 Debug.breakExecution = function(f) {
   %Break();
@@ skipping 409 matching lines @@
   pos = source.length;
   result += source.substring(prev_pos, pos);
   return result;
 };
 
 
 // Get all the scripts currently loaded. Locating all the scripts is based on
 // scanning the heap.
 Debug.scripts = function() {
   // Collect all scripts in the heap.
-  return GetLoadedScripts();
+  return %DebugGetLoadedScripts();
 };
 
 
 Debug.debuggerFlags = function() {
   return debugger_flags;
 };
 
 Debug.MakeMirror = MakeMirror;
 
 function MakeExecutionState(break_id) {
@@ skipping 1308 matching lines @@
     if (!IS_UNDEFINED(request.arguments.filter)) {
       var num = %ToNumber(request.arguments.filter);
       if (!isNaN(num)) {
         filterNum = num;
       }
       filterStr = request.arguments.filter;
     }
   }
 
   // Collect all scripts in the heap.
-  var scripts = GetLoadedScripts();
+  var scripts = %DebugGetLoadedScripts();
 
   response.body = [];
 
   for (var i = 0; i < scripts.length; i++) {
     if (idsToInclude && !idsToInclude[scripts[i].id]) {
       continue;
     }
     if (filterStr || filterNum) {
       var script = scripts[i];
       var found = false;
@@ skipping 51 matching lines @@
 
 
 DebugCommandProcessor.prototype.changeLiveRequest_ = function(
     request, response) {
   if (!request.arguments) {
     return response.failed('Missing arguments');
   }
   var script_id = request.arguments.script_id;
   var preview_only = !!request.arguments.preview_only;
 
-  var scripts = GetLoadedScripts();
+  var scripts = %DebugGetLoadedScripts();
 
   var the_script = null;
   for (var i = 0; i < scripts.length; i++) {
     if (scripts[i].id == script_id) {
       the_script = scripts[i];
     }
   }
   if (!the_script) {
     response.failed('Script not found');
     return;
@@ skipping 232 matching lines @@
 
     default:
       json = null;
   }
   return json;
 }
 
 Debug.TestApi = {
   CommandProcessorResolveValue: DebugCommandProcessor.resolveValue_
 };