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Auto merge of #17920 - heycam:hasr-assertion, r=emilio

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geckolib: Add friendly panic message to Servo_HasAuthorSpecifiedRules.

This just adds a friendlier panic message when `Servo_HasAuthorSpecifiedRules` is called with an unstyled element.

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bors-servo 2017-07-30 06:53:19 -05:00 • committed by GitHub
commit 0c9abac373
1 changed files with 4 additions and 1 deletions
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5
ports/geckolib/glue.rs
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@ -1610,7 +1610,10 @@ pub extern "C" fn Servo_HasAuthorSpecifiedRules(element: RawGeckoElementBorrowed
{
let element = GeckoElement(element);
let data = element.borrow_data().unwrap();
let data =
element.borrow_data()
.expect("calling Servo_HasAuthorSpecifiedRules on an unstyled element");
let primary_style = data.styles.primary();
let guard = (*GLOBAL_STYLE_DATA).shared_lock.read();