Bug 1716518 - Upgrade app_units to v0.7.1. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D117756

Cargo.lock

@@ -54,9 +54,9 @@ dependencies = [
 
 [[package]]
 name = "app_units"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dadc668390b373e73e4abbfc1f07238b09a25858f2f39c06cebc6d8e141d774"
+checksum = "fc3ec9d4c47b25a5a9e5c848e053640331c7cedb1637434d75db68b79fee8a7f"
 dependencies = [
  "num-traits",
  "serde",

third_party/rust/app_units/.cargo-checksum.json

@@ -1 +1 @@
-{"files":{"Cargo.toml":"2b57a8f3f88b35e6ea03b563b2127fe01b90c5d2102910dfb662584e9d72ad26","README.md":"2f4c2188cdcfaa201ecd7c6b1bdb5247a54b534fc50a4e26b339a245cee973a9","src/app_unit.rs":"ab0df325046c8d012202a6a4ec54bbca961aed80529c5cbab4c4c837046a7bf8","src/lib.rs":"594920680604545eed486e6891b9b7d52d3baee3b2d774687fc0ac244331edf5"},"package":"9dadc668390b373e73e4abbfc1f07238b09a25858f2f39c06cebc6d8e141d774"}
+{"files":{"Cargo.toml":"ddda3a177dfcad875318bf1dfeb28183e60e9cf5b81944238f281626c113d666","README.md":"2f4c2188cdcfaa201ecd7c6b1bdb5247a54b534fc50a4e26b339a245cee973a9","src/app_unit.rs":"0cd350eeb0926bef7979773fb0114d6d4177366a9f5722f20ff45215b0f3526e","src/lib.rs":"97452b7741d623f09dfa9d4f4dc4958f3554ca0c04980799534e7afbe16342bd"},"package":"fc3ec9d4c47b25a5a9e5c848e053640331c7cedb1637434d75db68b79fee8a7f"}

third_party/rust/app_units/Cargo.toml

@@ -12,7 +12,7 @@
 
 [package]
 name = "app_units"
-version = "0.7.0"
+version = "0.7.1"
 authors = ["The Servo Project Developers"]
 description = "Servo app units type (Au)"
 documentation = "https://docs.rs/app_units/"
@@ -20,6 +20,13 @@ license = "MPL-2.0"
 repository = "https://github.com/servo/app_units"
 [dependencies.num-traits]
 version = "0.2"
+optional = true
 
 [dependencies.serde]
 version = "1.0"
+optional = true
+
+[features]
+default = ["num_traits", "serde_serialization"]
+num_traits = ["num-traits"]
+serde_serialization = ["serde"]

third_party/rust/app_units/src/app_unit.rs

@@ -2,8 +2,11 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+ #[cfg(feature = "num_traits")]
 use num_traits::Zero;
+#[cfg(feature = "serde_serialization")]
 use serde::de::{Deserialize, Deserializer};
+#[cfg(feature = "serde_serialization")]
 use serde::ser::{Serialize, Serializer};
 use std::default::Default;
 use std::fmt;
@@ -22,12 +25,14 @@ pub const AU_PER_PX: i32 = 60;
 /// panics and overflows.
 pub struct Au(pub i32);
 
+ #[cfg(feature = "serde_serialization")]
 impl<'de> Deserialize<'de> for Au {
     fn deserialize<D: Deserializer<'de>>(deserializer: D) -> Result<Au, D::Error> {
         Ok(Au(try!(i32::deserialize(deserializer))).clamp())
     }
 }
 
+#[cfg(feature = "serde_serialization")]
 impl Serialize for Au {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         self.0.serialize(serializer)
@@ -41,6 +46,7 @@ impl Default for Au {
     }
 }
 
+#[cfg(feature = "num_traits")]
 impl Zero for Au {
     #[inline]
     fn zero() -> Au {

third_party/rust/app_units/src/lib.rs

@@ -6,7 +6,9 @@
 //! originally proposed in 2002 as a standard unit of measure in Gecko.
 //! See <https://bugzilla.mozilla.org/show_bug.cgi?id=177805> for more info.
 
+#[cfg(feature = "num_traits")]
 extern crate num_traits;
+#[cfg(feature = "serde_serialization")]
 extern crate serde;
 
 mod app_unit;