Disable mirror cache when initializing DebuggerScript.js

Source/bindings/v8/DebuggerScript.js

Index: Source/bindings/v8/DebuggerScript.js
diff --git a/Source/bindings/v8/DebuggerScript.js b/Source/bindings/v8/DebuggerScript.js
index 1c29105e9bc2ce1b561afe4efb212adcc3c1862b..e54115435d4d4d4c6f03b53215342cc16edfd284 100644
--- a/Source/bindings/v8/DebuggerScript.js
+++ b/Source/bindings/v8/DebuggerScript.js
@@ -502,5 +502,8 @@ DebuggerScript._buildScopeObject = function(scopeType, scopeObject)
     return result;
 }
 
+// We never resolve Mirror by its handle so to avoid memory leaks caused by Mirrors in the cache we disable it.
+ToggleMirrorCache(false);
+
 return DebuggerScript;
 })();