Use upstream lazy_static!() macro through Cargo

... instead of having our own copy.

https://github.com/Kimundi/lazy-static.rs

components/style/Cargo.toml

@@ -29,3 +29,5 @@ git = "https://github.com/servo/rust-cssparser"
 [dependencies.encoding]
 git = "https://github.com/lifthrasiir/rust-encoding"
 
+[dependencies.lazy_static]
+git = "https://github.com/Kimundi/lazy-static.rs"

components/style/lib.rs

@@ -22,9 +22,9 @@ extern crate url;
 
 extern crate cssparser;
 extern crate encoding;
-
 #[phase(plugin)]
-extern crate "macros" as servo_macros;
+extern crate lazy_static;
+
 extern crate "util" as servo_util;
 
 

components/style/properties/mod.rs.mako

@@ -1822,7 +1822,7 @@ fn get_writing_mode(inheritedbox_style: &style_structs::InheritedBox) -> Writing
 
 
 /// The initial values for all style structs as defined by the specification.
-lazy_init! {
+lazy_static! {
     static ref INITIAL_VALUES: ComputedValues = ComputedValues {
         % for style_struct in STYLE_STRUCTS:
             ${style_struct.ident}: Arc::new(style_structs::${style_struct.name} {