DevTools: promisify ContentProvider.requestContent and all its clients.

third_party/WebKit/Source/devtools/front_end/elements/Spectrum.js

 /*
  * Copyright (C) 2011 Brian Grinstead 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
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 982 matching lines @@
         {
             text = text.toLowerCase();
             var regexResult = text.match(/((?:rgb|hsl)a?\([^)]+\)|#[0-9a-f]{6}|#[0-9a-f]{3})/g) || [];
             for (var c of regexResult) {
                 var frequency = this._frequencyMap.get(c) || 0;
                 this._frequencyMap.set(c, ++frequency);
             }
             resolve(null);
         }
 
-        stylesheet.requestContent(parseContent.bind(this));
+        stylesheet.requestContent().then(parseContent.bind(this));
     }
 }
 
 WebInspector.Spectrum.MaterialPaletteShades = {
     "#F44336": ["#FFEBEE", "#FFCDD2", "#EF9A9A", "#E57373", "#EF5350", "#F44336", "#E53935", "#D32F2F", "#C62828", "#B71C1C"],
     "#E91E63": ["#FCE4EC", "#F8BBD0", "#F48FB1", "#F06292", "#EC407A", "#E91E63", "#D81B60", "#C2185B", "#AD1457", "#880E4F"],
     "#9C27B0": ["#F3E5F5", "#E1BEE7", "#CE93D8", "#BA68C8", "#AB47BC", "#9C27B0", "#8E24AA", "#7B1FA2", "#6A1B9A", "#4A148C"],
     "#673AB7": ["#EDE7F6", "#D1C4E9", "#B39DDB", "#9575CD", "#7E57C2", "#673AB7", "#5E35B1", "#512DA8", "#4527A0", "#311B92"],
     "#3F51B5": ["#E8EAF6", "#C5CAE9", "#9FA8DA", "#7986CB", "#5C6BC0", "#3F51B5", "#3949AB", "#303F9F", "#283593", "#1A237E"],
     "#2196F3": ["#E3F2FD", "#BBDEFB", "#90CAF9", "#64B5F6", "#42A5F5", "#2196F3", "#1E88E5", "#1976D2", "#1565C0", "#0D47A1"],
     "#03A9F4": ["#E1F5FE", "#B3E5FC", "#81D4FA", "#4FC3F7", "#29B6F6", "#03A9F4", "#039BE5", "#0288D1", "#0277BD", "#01579B"],
     "#00BCD4": ["#E0F7FA", "#B2EBF2", "#80DEEA", "#4DD0E1", "#26C6DA", "#00BCD4", "#00ACC1", "#0097A7", "#00838F", "#006064"],
     "#009688": ["#E0F2F1", "#B2DFDB", "#80CBC4", "#4DB6AC", "#26A69A", "#009688", "#00897B", "#00796B", "#00695C", "#004D40"],
     "#4CAF50": ["#E8F5E9", "#C8E6C9", "#A5D6A7", "#81C784", "#66BB6A", "#4CAF50", "#43A047", "#388E3C", "#2E7D32", "#1B5E20"],
     "#8BC34A": ["#F1F8E9", "#DCEDC8", "#C5E1A5", "#AED581", "#9CCC65", "#8BC34A", "#7CB342", "#689F38", "#558B2F", "#33691E"],
     "#CDDC39": ["#F9FBE7", "#F0F4C3", "#E6EE9C", "#DCE775", "#D4E157", "#CDDC39", "#C0CA33", "#AFB42B", "#9E9D24", "#827717"],
     "#FFEB3B": ["#FFFDE7", "#FFF9C4", "#FFF59D", "#FFF176", "#FFEE58", "#FFEB3B", "#FDD835", "#FBC02D", "#F9A825", "#F57F17"],
     "#FFC107": ["#FFF8E1", "#FFECB3", "#FFE082", "#FFD54F", "#FFCA28", "#FFC107", "#FFB300", "#FFA000", "#FF8F00", "#FF6F00"],
     "#FF9800": ["#FFF3E0", "#FFE0B2", "#FFCC80", "#FFB74D", "#FFA726", "#FF9800", "#FB8C00", "#F57C00", "#EF6C00", "#E65100"],
     "#FF5722": ["#FBE9E7", "#FFCCBC", "#FFAB91", "#FF8A65", "#FF7043", "#FF5722", "#F4511E", "#E64A19", "#D84315", "#BF360C"],
     "#795548": ["#EFEBE9", "#D7CCC8", "#BCAAA4", "#A1887F", "#8D6E63", "#795548", "#6D4C41", "#5D4037", "#4E342E", "#3E2723"],
     "#9E9E9E": ["#FAFAFA", "#F5F5F5", "#EEEEEE", "#E0E0E0", "#BDBDBD", "#9E9E9E", "#757575", "#616161", "#424242", "#212121"],
     "#607D8B": ["#ECEFF1", "#CFD8DC", "#B0BEC5", "#90A4AE", "#78909C", "#607D8B", "#546E7A", "#455A64", "#37474F", "#263238"]
 };
 
 WebInspector.Spectrum.MaterialPalette = { title: "Material", mutable: false, matchUserFormat: true, colors: Object.keys(WebInspector.Spectrum.MaterialPaletteShades) };