From 6c69771ea5dcb88f7e64c0cd8c959b652e23ca81 Mon Sep 17 00:00:00 2001
From: Hiroyuki Ikezoe <hikezoe@mozilla.com>
Date: Wed, 21 Jun 2017 08:36:47 +0900
Subject: [PATCH] Use FnvHashmap instead of HashMap for AnimationValueMap.

---
 components/style/gecko/wrapper.rs                             | 2 +-
 .../style/properties/helpers/animated_properties.mako.rs      | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/components/style/gecko/wrapper.rs b/components/style/gecko/wrapper.rs
index 42c9997e691..c711ee059bb 100644
--- a/components/style/gecko/wrapper.rs
+++ b/components/style/gecko/wrapper.rs
@@ -616,7 +616,7 @@ fn get_animation_rule(element: &GeckoElement,
                       -> Option<Arc<Locked<PropertyDeclarationBlock>>> {
     use gecko_bindings::sugar::ownership::HasSimpleFFI;
     // Also, we should try to reuse the PDB, to avoid creating extra rule nodes.
-    let mut animation_values = AnimationValueMap::new();
+    let mut animation_values = AnimationValueMap::default();
     if unsafe { Gecko_GetAnimationRule(element.0,
                                        cascade_level,
                                        AnimationValueMap::as_ffi_mut(&mut animation_values)) } {
diff --git a/components/style/properties/helpers/animated_properties.mako.rs b/components/style/properties/helpers/animated_properties.mako.rs
index 8b5feb762c5..a78af95120b 100644
--- a/components/style/properties/helpers/animated_properties.mako.rs
+++ b/components/style/properties/helpers/animated_properties.mako.rs
@@ -30,7 +30,7 @@ use properties::longhands::visibility::computed_value::T as Visibility;
 use selectors::parser::SelectorParseError;
 use smallvec::SmallVec;
 use std::cmp;
-#[cfg(feature = "gecko")] use std::collections::HashMap;
+#[cfg(feature = "gecko")] use fnv::FnvHashMap;
 use style_traits::ParseError;
 use super::ComputedValues;
 use values::{Auto, CSSFloat, CustomIdent, Either};
@@ -440,7 +440,7 @@ impl AnimatedProperty {
 /// This HashMap stores the values that are the last AnimationValue to be
 /// composed for each TransitionProperty.
 #[cfg(feature = "gecko")]
-pub type AnimationValueMap = HashMap<AnimatableLonghand, AnimationValue>;
+pub type AnimationValueMap = FnvHashMap<AnimatableLonghand, AnimationValue>;
 #[cfg(feature = "gecko")]
 unsafe impl HasFFI for AnimationValueMap {
     type FFIType = RawServoAnimationValueMap;