image: simplify for_each_tile_in_range.

And remove the indirect call (&mut FnMut).
servo · gw3583 · Oct 23, 2018 · Oct 19, 2018 · Oct 19, 2018 · Oct 19, 2018
commit 3de910f2c2b32456ead6a527d2816bcbcd554563
diff --git a/webrender/src/image.rs b/webrender/src/image.rs
@@ -367,7 +367,7 @@ pub fn compute_tile_range(
 
 pub fn for_each_tile_in_range(
     range: &TileRange,
-    callback: &mut FnMut(TileOffset),
+    mut callback: impl FnMut(TileOffset),
 ) {
     for y in 0..range.size.height {
         for x in 0..range.size.width {

diff --git a/webrender/src/resource_cache.rs b/webrender/src/resource_cache.rs
@@ -1082,7 +1082,7 @@ impl ResourceCache {
                     }
                 }
 
-                for_each_tile_in_range(&tiles, &mut|tile| {
+                for_each_tile_in_range(&tiles, |tile| {
                     let descriptor = BlobImageDescriptor {
                         offset: DevicePoint::new(
                             tile.x as f32 * tile_size as f32,