Allow unused imports for AsciiExt in style code.

See #19128, this part is cherry-picked so Gecko can build with rust nightly.

components/style/values/mod.rs

@@ -12,7 +12,7 @@ use Atom;
 pub use cssparser::{RGBA, Token, Parser, serialize_identifier, CowRcStr, SourceLocation};
 use parser::{Parse, ParserContext};
 use selectors::parser::SelectorParseErrorKind;
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt::{self, Debug};
 use std::hash;
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};

components/style/values/specified/align.rs

@@ -10,7 +10,7 @@ use cssparser::Parser;
 use gecko_bindings::structs;
 use parser::{Parse, ParserContext};
 use selectors::parser::SelectorParseErrorKind;
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt;
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};
 

components/style/values/specified/angle.rs

@@ -6,7 +6,7 @@
 
 use cssparser::{Parser, Token};
 use parser::{ParserContext, Parse};
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt;
 use style_traits::{ToCss, ParseError};
 use values::CSSFloat;

components/style/values/specified/calc.rs

@@ -8,7 +8,7 @@
 
 use cssparser::{Parser, Token};
 use parser::ParserContext;
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt;
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};
 use style_traits::values::specified::AllowedNumericType;

components/style/values/specified/grid.rs

@@ -7,7 +7,7 @@
 
 use cssparser::{Parser, Token, ParseError as CssParseError};
 use parser::{Parse, ParserContext};
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::mem;
 use style_traits::{ParseError, StyleParseErrorKind};
 use values::{CSSFloat, CustomIdent};

components/style/values/specified/length.rs

@@ -12,7 +12,7 @@ use euclid::Size2D;
 use font_metrics::FontMetricsQueryResult;
 use parser::{Parse, ParserContext};
 use std::{cmp, fmt, mem};
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::ops::{Add, Mul};
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};
 use style_traits::values::specified::AllowedNumericType;

components/style/values/specified/mod.rs

@@ -11,7 +11,7 @@ use context::QuirksMode;
 use cssparser::{Parser, Token, serialize_identifier};
 use parser::{ParserContext, Parse};
 use self::url::SpecifiedUrl;
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::f32;
 use std::fmt;
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};

components/style/values/specified/percentage.rs

@@ -6,7 +6,7 @@
 
 use cssparser::{Parser, Token};
 use parser::{Parse, ParserContext};
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt;
 use style_traits::{ParseError, ToCss};
 use style_traits::values::specified::AllowedNumericType;

components/style/values/specified/text.rs

@@ -7,7 +7,7 @@
 use cssparser::{Parser, Token};
 use parser::{Parse, ParserContext};
 use selectors::parser::SelectorParseErrorKind;
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use style_traits::ParseError;
 use values::computed::{Context, ToComputedValue};
 use values::computed::text::LineHeight as ComputedLineHeight;

components/style/values/specified/time.rs

@@ -6,7 +6,7 @@
 
 use cssparser::{Parser, Token};
 use parser::{ParserContext, Parse};
-use std::ascii::AsciiExt;
+#[allow(unused_imports)] use std::ascii::AsciiExt;
 use std::fmt;
 use style_traits::{ToCss, ParseError, StyleParseErrorKind};
 use style_traits::values::specified::AllowedNumericType;