Fix some unused variable compiler warnings.

src/servo/css/parser_util.rs

@@ -51,7 +51,7 @@ fn parse_relative_size(str: ~str) -> ParseResult<RelativeSize> {
     }
 }
 
-fn parse_font_size(str: ~str) -> ParseResult<CSSFontSize> {
+fn parse_font_size(_str: ~str) -> ParseResult<CSSFontSize> {
     // TODO: complete me
     Value(LengthSize(Px(14.0)))
 }
@@ -86,8 +86,8 @@ mod test {
     fn should_match_font_sizes() {
         let input = ~"* {font-size:12px; font-size:inherit; font-size:200%; font-size:x-small}";
         let token_port = spawn_css_lexer_from_string(input);
-        let actual_rule = build_stylesheet(token_port);
-        let expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
+        let _actual_rule = build_stylesheet(token_port);
+        let _expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
                                              ~[FontSize(Specified(LengthSize(Px(12.0)))),
                                                FontSize(Specified(PercentSize(100.0))),
                                                FontSize(Specified(PercentSize(200.0))),
@@ -101,8 +101,8 @@ mod test {
     fn should_match_width_height() {
         let input = ~"* {width:20%; height:auto; width:20px; width:3in; height:70px; height:30px}";
         let token_port = spawn_css_lexer_from_string(input);
-        let actual_rule = build_stylesheet(token_port);
-        let expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
+        let _actual_rule = build_stylesheet(token_port);
+        let _expected_rule : Stylesheet = ~[~(~[~Element(~"*", ~[])],
                                              ~[Width(Specified(BoxPercent(20.0))),
                                                Height(Specified(BoxAuto)),
                                                Width(Specified(BoxLength(Px(20.0)))),

src/servo/gfx/render_task.rs

@@ -146,8 +146,6 @@ pub fn draw_glyphs(ctx: &RenderContext, bounds: Rect<au>, text_run: &GlyphRun) {
                             AzReleaseColorPattern};
     use azure::cairo::bindgen::cairo_scaled_font_destroy;
 
-    let draw_target = ctx.canvas.azure_draw_target;
-
     // FIXME: font should be accessible from GlyphRun
     let font = ctx.font_cache.get_test_font();
 

src/servo/layout/base.rs

@@ -367,7 +367,7 @@ impl @RenderBox {
     * `origin` - Total offset from display list root flow to this box's owning flow
     * `list` - List to which items should be appended
     */
-    fn build_display_list(builder: &dl::DisplayListBuilder, dirty: &Rect<au>, 
+    fn build_display_list(_builder: &dl::DisplayListBuilder, dirty: &Rect<au>, 
                           offset: &Point2D<au>, list: &dl::DisplayList) {
         if !self.data.position.intersects(dirty) {
             return;
@@ -478,7 +478,7 @@ impl @FlowContext : DebugMethods {
             },
             BlockFlow(d) => {
                 match d.box {
-                    Some(b) => fmt!("BlockFlow(box=b%?)", d.box.get().id),
+                    Some(_b) => fmt!("BlockFlow(box=b%?)", d.box.get().id),
                     None => ~"BlockFlow",
                 }
             },

src/servo/layout/block.rs

@@ -77,7 +77,7 @@ impl @FlowContext : BlockLayout {
     /* TODO: floats */
     /* TODO: absolute contexts */
     /* TODO: inline-blocks */
-    fn bubble_widths_block(ctx: &LayoutContext) {
+    fn bubble_widths_block(_ctx: &LayoutContext) {
         assert self.starts_block_flow();
 
         let mut min_width = au(0);
@@ -109,11 +109,11 @@ impl @FlowContext : BlockLayout {
     Dual boxes consume some width first, and the remainder is assigned to
     all child (block) contexts. */
 
-    fn assign_widths_block(ctx: &LayoutContext) { 
+    fn assign_widths_block(_ctx: &LayoutContext) { 
         assert self.starts_block_flow();
 
         let mut remaining_width = self.data.position.size.width;
-        let mut right_used = au(0);
+        let mut _right_used = au(0);
         let mut left_used = au(0);
 
         /* Let the box consume some width. It will return the amount remaining
@@ -131,7 +131,7 @@ impl @FlowContext : BlockLayout {
         }
     }
 
-    fn assign_height_block(ctx: &LayoutContext) {
+    fn assign_height_block(_ctx: &LayoutContext) {
         assert self.starts_block_flow();
 
         let mut cur_y = au(0);
@@ -143,13 +143,13 @@ impl @FlowContext : BlockLayout {
 
         self.data.position.size.height = cur_y;
 
-        let used_top = au(0);
-        let used_bot = au(0);
+        let _used_top = au(0);
+        let _used_bot = au(0);
 
         do self.with_block_box |box| {
             box.data.position.origin.y = au(0);
             box.data.position.size.height = cur_y;
-            let (used_top, used_bot) = box.get_used_height();
+            let (_used_top, _used_bot) = box.get_used_height();
         }
     }
 

src/servo/layout/box_builder.rs

@@ -139,7 +139,7 @@ impl LayoutTreeBuilder {
         }
     }
 
-    fn fixup_split_inline(foo: @FlowContext) {
+    fn fixup_split_inline(_foo: @FlowContext) {
         // TODO: finish me. 
         fail ~"TODO: handle case where an inline is split by a block"
     }

src/servo/layout/inline.rs

@@ -67,7 +67,7 @@ impl @FlowContext : InlineLayout {
         }
     }
 
-    fn bubble_widths_inline(ctx: &LayoutContext) {
+    fn bubble_widths_inline(_ctx: &LayoutContext) {
         assert self.starts_inline_flow();
 
         let mut min_width = au(0);
@@ -87,7 +87,7 @@ impl @FlowContext : InlineLayout {
     /* Recursively (top-down) determines the actual width of child
     contexts and boxes. When called on this context, the context has
     had its width set by the parent context. */
-    fn assign_widths_inline(ctx: &LayoutContext) {
+    fn assign_widths_inline(_ctx: &LayoutContext) {
         assert self.starts_inline_flow();
 
         /* Perform inline flow with the available width. */
@@ -138,7 +138,7 @@ impl @FlowContext : InlineLayout {
 
     } // fn assign_widths_inline
 
-    fn assign_height_inline(ctx: &LayoutContext) {
+    fn assign_height_inline(_ctx: &LayoutContext) {
         // Don't need to set box or ctx heights, since that is done
         // during inline flowing.
     }

src/servo/text/text_run.rs

@@ -102,7 +102,7 @@ fn calc_min_break_width(font: &Font, text: &str) -> au {
 }
 
 /// Iterates over all the indivisible substrings
-fn iter_indivisible_slices(font: &Font, text: &r/str,
+fn iter_indivisible_slices(_font: &Font, text: &r/str,
                            f: fn((&r/str)) -> bool) {
 
     let mut curr = text;