DevTools: introduce persistence/ module

third_party/WebKit/Source/devtools/front_end/bindings/CompilerScriptMapping.js

 /*
  * Copyright (C) 2012 Google Inc. 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
@@ skipping 222 matching lines @@
 
         // Report sources.
         var sourceURLs = sourceMap.sourceURLs();
         var missingSources = [];
         for (var i = 0; i < sourceURLs.length; ++i) {
             var sourceURL = sourceURLs[i];
             if (this._sourceMapForURL.get(sourceURL))
                 continue;
             this._sourceMapForURL.set(sourceURL, sourceMap);
             var uiSourceCode = this._networkMapping.uiSourceCodeForScriptURL(sourceURL, script);
-            if (!uiSourceCode && !this._networkMapping.hasMappingForNetworkURL(sourceURL)) {
+            if (!uiSourceCode) {
                 var contentProvider = sourceMap.sourceContentProvider(sourceURL, WebInspector.resourceTypes.SourceMapScript);
                 uiSourceCode = this._networkProject.addFile(contentProvider, WebInspector.ResourceTreeFrame.fromScript(script), script.isContentScript());
                 uiSourceCode[WebInspector.CompilerScriptMapping._originSymbol] = script.sourceURL;
             }
             if (uiSourceCode) {
                 this._bindUISourceCode(uiSourceCode);
             } else {
                 if (missingSources.length < 3)
                     missingSources.push(sourceURL);
                 else if (missingSources.peekLast() !== "\u2026")
@@ skipping 141 matching lines @@
 }
 
 /**
  * @param {!WebInspector.Target} target
  * @return {string}
  */
 WebInspector.CompilerScriptMapping.projectIdForTarget = function(target)
 {
     return "compiler-script-project:" + target.id();
 }