SVG length parsing mode

SVG allows non-zero lengths to be accepted and assumes they are in px.  This
adds this length parsing mode to Servo.

MozReview-Commit-ID: Kxd3x64r9Ye

1 files changed, 3 insertions, 2 deletions

diff --git a/components/script/dom/csssupportsrule.rs b/components/script/dom/csssupportsrule.rs
index bad93e621b5..3ac60a00e06 100644
--- a/components/script/dom/csssupportsrule.rs
+++ b/components/script/dom/csssupportsrule.rs
@@ -14,7 +14,7 @@ use dom::cssstylesheet::CSSStyleSheet;
 use dom::window::Window;
 use dom_struct::dom_struct;
 use std::sync::Arc;
-use style::parser::ParserContext;
+use style::parser::{LengthParsingMode, ParserContext};
 use style::shared_lock::{Locked, ToCssWithGuard};
 use style::stylesheets::{CssRuleType, SupportsRule};
 use style::supports::SupportsCondition;
@@ -61,7 +61,8 @@ impl CSSSupportsRule {
             let global = self.global();
             let win = global.as_window();
             let url = win.Document().url();
-            let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports));
+            let context = ParserContext::new_for_cssom(&url, win.css_error_reporter(), Some(CssRuleType::Supports),
+                                                       LengthParsingMode::Default);
             let enabled = cond.eval(&context);
             let mut guard = self.cssconditionrule.shared_lock().write();
             let rule = self.supportsrule.write_with(&mut guard);