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geckolib: Add friendly panic message to Servo_HasAuthorSpecifiedRules.

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This commit is contained in:
Cameron McCormack 2017-07-30 14:20:57 +08:00
parent 097e36beb1
commit 7cee3ac713
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 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 primary_style = data.styles.primary();
let guard = (*GLOBAL_STYLE_DATA).shared_lock.read(); let guard = (*GLOBAL_STYLE_DATA).shared_lock.read();