code: function inlineColorEditorProvider(hostEditor, pos) {
          var context = prepareEditorForProvider(hostEditor, pos),
              inlineColorEditor,
              result;
  
          if (!context) {
              return null;
          } else {
              inlineColorEditor = new InlineColorEditor(context.color, context.marker);
              inlineColorEditor.load(hostEditor);
  
              result = new $.Deferred();
              result.resolve(inlineColorEditor);
              return result.promise();
          }
      }
docs: Registered as an inline editor provider: creates an InlineEditorColor when the cursor
  is on a color value (in any flavor of code).
  
  @param {!Editor} hostEditor
  @param {!{line:Number, ch:Number}} pos
  @return {?$.Promise} synchronously resolved with an InlineWidget, or null if there's
  no color at pos.