When the extensions engine notification appears, stating that “If you wish to proceed, free up some space” with the detailed message “Some functionalities from the source chrome-extension://… may not work properly, as long you do not free up some cached data stored in the device from other webs.”, then the displayed name of the chrome-extension is in fact the ID from extensions marketplace, instead of the name see attached screenshot:
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This is not only confusing, but foremost a little frightening, until one finds out that it is not an un-solicited or malicious extension, but only some kind of ID instead of the name (and it takes some time and experience to find this out either). Small correction of the dialogue text so it displays the human-readable name/title of the extension instead of ID would be nice.