Bug 1358794, part 2 - Reftests to check SVG embedded by SVG <image> gets a synthetic viewBox if necessary. r=longsonr

MozReview-Commit-ID: FWCXcU0TUEz

layout/reftests/svg/as-image/reftest.list

@@ -180,6 +180,9 @@ HTTP == svg-stylesheet-external-1.html blue100x100.svg
 != svg-image-visited-2-helper.svg about:blank
 == svg-image-visited-2.html       lime100x100.svg
 
+# tests for SVG <image> that should have a synthetic viewBox
+== svg-image-synthetic-viewBox-01.svg svg-image-synthetic-viewBox-01-ref.svg
+
 # Test for painting problems with SVGs used in border images.
 # XXXseth: The underlying problems also apply to media fragments,
 # but the test case would be much simpler. This should be switched

layout/reftests/svg/as-image/svg-image-synthetic-viewBox-01-helper-1.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200">
+  <circle cx="100" cy="100" r="100" fill="blue"/>
+</svg>
+

layout/reftests/svg/as-image/svg-image-synthetic-viewBox-01-helper-2.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100">
+  <circle cx="50" cy="50" r="50" fill="blue"/>
+</svg>
+

layout/reftests/svg/as-image/svg-image-synthetic-viewBox-01-ref.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg">
+  <image width="100" height="100" href="svg-image-synthetic-viewBox-01-helper-2.svg"/>
+</svg>
+

layout/reftests/svg/as-image/svg-image-synthetic-viewBox-01.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg">
+  <image width="100" height="100" href="svg-image-synthetic-viewBox-01-helper-1.svg"/>
+</svg>
+