Rollup merge of #17014 - hiikezoe:animation-rules-in-norma-restyle, r=emilio,birtles

Animation rules in norma restyle

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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1366631 and https://bugzilla.mozilla.org/show_bug.cgi?id=1367225

- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes do not require tests because it's for stylo

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components/style/stylist.rs

@@ -8,7 +8,7 @@ use {Atom, LocalName, Namespace};
 use bit_vec::BitVec;
 use context::{QuirksMode, SharedStyleContext};
 use data::ComputedStyle;
-use dom::{AnimationRules, TElement};
+use dom::TElement;
 use element_state::ElementState;
 use error_reporting::RustLogReporter;
 use font_metrics::FontMetricsProvider;
@@ -17,9 +17,9 @@ use gecko_bindings::structs::nsIAtom;
 use keyframes::KeyframesAnimation;
 use media_queries::Device;
 use properties::{self, CascadeFlags, ComputedValues};
+use properties::{AnimationRules, PropertyDeclarationBlock};
 #[cfg(feature = "servo")]
 use properties::INHERIT_ALL;
-use properties::PropertyDeclarationBlock;
 use restyle_hints::{HintComputationContext, DependencySet, RestyleHint};
 use rule_tree::{CascadeLevel, RuleTree, StrongRuleNode, StyleSource};
 use selector_map::{SelectorMap, SelectorMapEntry};
@@ -944,7 +944,7 @@ impl Stylist {
             if let Some(anim) = animation_rules.0 {
                 Push::push(
                     applicable_declarations,
-                    ApplicableDeclarationBlock::from_declarations(anim,
+                    ApplicableDeclarationBlock::from_declarations(anim.clone(),
                                                                   CascadeLevel::Animations));
             }
             debug!("animation: {:?}", context.relations);
@@ -962,7 +962,8 @@ impl Stylist {
         if let Some(anim) = animation_rules.1 {
             Push::push(
                 applicable_declarations,
-                ApplicableDeclarationBlock::from_declarations(anim, CascadeLevel::Transitions));
+                ApplicableDeclarationBlock::from_declarations(anim.clone(),
+                                                              CascadeLevel::Transitions));
         }
         debug!("transition: {:?}", context.relations);
         debug!("push_applicable_declarations: shareable: {:?}", context.relations);