DevTools: [CSS] promisify CSSStyleModel fetching methods

Source/devtools/front_end/emulation/MediaQueryInspector.js

Index: Source/devtools/front_end/emulation/MediaQueryInspector.js
diff --git a/Source/devtools/front_end/emulation/MediaQueryInspector.js b/Source/devtools/front_end/emulation/MediaQueryInspector.js
index e10e6211ab3e22fb529725ffd675d69ce84f5152..0fa351ff1d8a390d185626f7d4a0ef1869a4015f 100644
--- a/Source/devtools/front_end/emulation/MediaQueryInspector.js
+++ b/Source/devtools/front_end/emulation/MediaQueryInspector.js
@@ -185,16 +185,10 @@ WebInspector.MediaQueryInspector.prototype = {
             return;
         }
 
-        /**
-         * @param {!Array.<!WebInspector.CSSMedia>} cssMedias
-         * @this {!WebInspector.MediaQueryInspector}
-         */
-        function callback(cssMedias)
-        {
-            this._rebuildMediaQueries(cssMedias);
-            finishCallback();
-        }
-        this._cssModel.getMediaQueries(callback.bind(this));
+        this._cssModel.mediaQueriesPromise()
+            .then(this._rebuildMediaQueries.bind(this))
+            .then(finishCallback)

[pfeldman, 2015/06/26 09:59:17]

then(finishCallback, finishCallback);

[lushnikov, 2015/06/26 10:16:26]

The .catch is way more easy to read and find visually.
I would rather leave this as-is.

+            .catch(finishCallback);
     },
 
     /**