DevTools: promisify ContentProvider.requestContent and all its clients.

third_party/WebKit/Source/devtools/front_end/network/HARWriter.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008, 2009 Anthony Ricaud <rik@webkit.org>
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 33 matching lines @@
     write: function(stream, requests, progress)
     {
         this._stream = stream;
         this._harLog = (new WebInspector.HARLog(requests)).build();
         this._pendingRequests = 1; // Guard against completing resource transfer before all requests are made.
         var entries = this._harLog.entries;
         for (var i = 0; i < entries.length; ++i) {
             var content = requests[i].content;
             if (typeof content === "undefined" && requests[i].finished) {
                 ++this._pendingRequests;
-                requests[i].requestContent(this._onContentAvailable.bind(this, entries[i], requests[i]));
+                requests[i].requestContent().then(this._onContentAvailable.bind(this, entries[i], requests[i]));
             } else if (content !== null)
                 this._setEntryContent(entries[i], requests[i]);
         }
         var compositeProgress = new WebInspector.CompositeProgress(progress);
         this._writeProgress = compositeProgress.createSubProgress();
         if (--this._pendingRequests) {
             this._requestsProgress = compositeProgress.createSubProgress();
             this._requestsProgress.setTitle(WebInspector.UIString("Collecting content…"));
             this._requestsProgress.setTotalWork(this._pendingRequests);
         } else
@@ skipping 49 matching lines @@
             this._writeProgress.done();
             return;
         }
         const chunkSize = 100000;
         var text = this._text.substring(this._bytesWritten, this._bytesWritten + chunkSize);
         this._bytesWritten += text.length;
         stream.write(text, this._writeNextChunk.bind(this));
         this._writeProgress.setWorked(this._bytesWritten);
     }
 }