Bug 948265 - Move SVG filter chain tests into their own folder to make their filenames more readable. r=mstange

--HG--
rename : layout/reftests/svg/filters/multiple-svg-filters-long-chain.svg => layout/reftests/svg/filters/svg-filter-chains/long-chain.svg
rename : layout/reftests/svg/filters/multiple-svg-filters-with-multiple-primitives.svg => layout/reftests/svg/filters/svg-filter-chains/multiple-primitives-per-filter.svg
rename : layout/reftests/svg/filters/multiple-svg-filters-second-uses-SourceGraphic.svg => layout/reftests/svg/filters/svg-filter-chains/second-filter-uses-SourceGraphic.svg
rename : layout/reftests/svg/filters/multiple-svg-filters-ref.svg => layout/reftests/svg/filters/svg-filter-chains/simple-chain-ref.svg
rename : layout/reftests/svg/filters/multiple-svg-filters.svg => layout/reftests/svg/filters/svg-filter-chains/simple-chain.svg

layout/reftests/svg/filters/reftest.list

@@ -2,6 +2,9 @@
 # subregion. The fe*-2 tests test with no clipping (which stresses
 # the automatic optimal surface-size computation a bit more).
 
+# SVG filter chain tests
+include svg-filter-chains/reftest.list
+
 skip-if(B2G) == dynamic-filtered-foreignObject-01.svg pass.svg # bug 773482
 random-if(B2G&&browserIsRemote) == dynamic-filter-invalidation-01.svg pass.svg
 == dynamic-filter-invalidation-02.svg pass.svg
@@ -102,8 +105,3 @@ fuzzy(2,2659) skip-if(d2d) == feSpecularLighting-1.svg feSpecularLighting-1-ref.
 == fePointLight-zoomed-page.svg fePointLight-zoomed-page-ref.svg
 
 == feTurbulence-offset.svg feTurbulence-offset-ref.svg
-
-pref(layout.css.filters.enabled,true) == multiple-svg-filters.svg multiple-svg-filters-ref.svg
-pref(layout.css.filters.enabled,true) == multiple-svg-filters-long-chain.svg multiple-svg-filters-ref.svg
-pref(layout.css.filters.enabled,true) == multiple-svg-filters-second-uses-SourceGraphic.svg multiple-svg-filters-ref.svg
-pref(layout.css.filters.enabled,true) == multiple-svg-filters-with-multiple-primitives.svg multiple-svg-filters-ref.svg

layout/reftests/svg/filters/svg-filter-chains/reftest.list

@@ -0,0 +1,9 @@
+# These tests verify that SVG filter chains behave properly.
+# e.g. filter: url(#f1) url(#f2) url(#f3)
+
+default-preferences pref(layout.css.filters.enabled,true)
+
+== long-chain.svg simple-chain-ref.svg
+== multiple-primitives-per-filter.svg simple-chain-ref.svg
+== second-filter-uses-SourceGraphic.svg simple-chain-ref.svg
+== simple-chain.svg simple-chain-ref.svg