Support list-style-image in stylo. r=manishearth

MozReview-Commit-ID: HyGWZevQYEo

components/style/properties/gecko.mako.rs

@@ -19,6 +19,7 @@ use gecko_bindings::bindings::Gecko_Destroy_${style_struct.gecko_ffi_name};
 % endfor
 use gecko_bindings::bindings::Gecko_CopyFontFamilyFrom;
 use gecko_bindings::bindings::Gecko_CopyImageValueFrom;
+use gecko_bindings::bindings::Gecko_CopyListStyleImageFrom;
 use gecko_bindings::bindings::Gecko_CopyListStyleTypeFrom;
 use gecko_bindings::bindings::Gecko_CopyMozBindingFrom;
 use gecko_bindings::bindings::Gecko_CreateGradient;
@@ -27,6 +28,8 @@ use gecko_bindings::bindings::Gecko_FontFamilyList_AppendGeneric;
 use gecko_bindings::bindings::Gecko_FontFamilyList_AppendNamed;
 use gecko_bindings::bindings::Gecko_FontFamilyList_Clear;
 use gecko_bindings::bindings::Gecko_SetGradientImageValue;
+use gecko_bindings::bindings::Gecko_SetListStyleImage;
+use gecko_bindings::bindings::Gecko_SetListStyleImageNone;
 use gecko_bindings::bindings::Gecko_SetListStyleType;
 use gecko_bindings::bindings::Gecko_SetMozBinding;
 use gecko_bindings::bindings::Gecko_SetNullImageValue;
@@ -472,8 +475,7 @@ impl Debug for ${style_struct.gecko_struct_name} {
     # These are part of shorthands so we must include them in stylo builds,
     # but we haven't implemented the stylo glue for the longhand
     # so we generate a stub
-    force_stub += ["list-style-image", # box
+    force_stub += ["flex-basis", # position
-                   "flex-basis", # position
 
                    # transition
                    "transition-duration", "transition-timing-function",
@@ -1471,10 +1473,42 @@ fn static_assert() {
     </%self:simple_image_array_property>
 </%self:impl_trait>
 
-<%self:impl_trait style_struct_name="List" skip_longhands="list-style-type quotes" skip_additionals="*">
+<%self:impl_trait style_struct_name="List"
+                  skip_longhands="list-style-image list-style-type quotes"
+                  skip_additionals="*">
+
+    pub fn set_list_style_image(&mut self, image: longhands::list_style_image::computed_value::T) {
+        use values::computed::UrlOrNone;
+        match image {
+            UrlOrNone::None => {
+                unsafe {
+                    Gecko_SetListStyleImageNone(&mut self.gecko);
+                }
+            }
+            UrlOrNone::Url(ref url, ref extra_data) => {
+                unsafe {
+                    Gecko_SetListStyleImage(&mut self.gecko,
+                                            url.as_str().as_ptr(),
+                                            url.as_str().len() as u32,
+                                            extra_data.base.get(),
+                                            extra_data.referrer.get(),
+                                            extra_data.principal.get());
+                }
+                // We don't need to record this struct as uncacheable, like when setting
+                // background-image to a url() value, since only properties in reset structs
+                // are re-used from the applicable declaration cache, and the List struct
+                // is an inherited struct.
+            }
+        }
+    }
+
+    pub fn copy_list_style_image_from(&mut self, other: &Self) {
+        unsafe { Gecko_CopyListStyleImageFrom(&mut self.gecko, &other.gecko); }
+    }
 
     ${impl_keyword_setter("list_style_type", "__LIST_STYLE_TYPE__",
                            data.longhands_by_name["list-style-type"].keyword)}
+
     pub fn copy_list_style_type_from(&mut self, other: &Self) {
         unsafe {
             Gecko_CopyListStyleTypeFrom(&mut self.gecko, &other.gecko);