ui/file_manager/file_manager/foreground/js/ui/commandbutton.js - Issue 667933003: Ensure existence of queried elements.

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Unified Diff: ui/file_manager/file_manager/foreground/js/ui/commandbutton.js

Issue 667933003: Ensure existence of queried elements. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Make some parameters non-nullable. Created 6 years, 2 months ago

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Index: ui/file_manager/file_manager/foreground/js/ui/commandbutton.js

diff --git a/ui/file_manager/file_manager/foreground/js/ui/commandbutton.js b/ui/file_manager/file_manager/foreground/js/ui/commandbutton.js

index 88543c1fa4409dda86447720c90b3a59d7af8e80..27d01adcefae9bae9a1b19c95a957c45137e506c 100644

--- a/ui/file_manager/file_manager/foreground/js/ui/commandbutton.js

+++ b/ui/file_manager/file_manager/foreground/js/ui/commandbutton.js

@@ -60,7 +60,8 @@ CommandButton.prototype.setCommand = function(command) {

/** @type {EventListener} */ (this));

}

- if (typeof command == 'string' && command[0] == '#') {

+ if (typeof command == 'string') {

+ assert(command[0] == '#');

command = /** @type {!cr.ui.Command} */

(this.ownerDocument.getElementById(command.slice(1)));

cr.ui.decorate(command, cr.ui.Command);