Bug 1388726 - Force-enable acceleration in the regular linux reftest suite. r=jmaher,jrmuizel

MozReview-Commit-ID: FNU7hEN3Jkf

--HG--
extra : rebase_source : d8f21f99a3d98904a9b3d4b402226c0c58519b63

dom/media/test/reftest/reftest.list

@@ -1,3 +1,3 @@
-skip-if(Android) fuzzy-if(OSX,22,49977) skip-if(winWidget) fuzzy-if(webrender,70,600) HTTP(..) == short.mp4.firstframe.html short.mp4.firstframe-ref.html
-skip-if(Android) fuzzy-if(OSX,23,51392) fuzzy-if(winWidget,59,76797) fuzzy-if(webrender,60,1800) HTTP(..) == short.mp4.lastframe.html short.mp4.lastframe-ref.html
-skip-if(Android) skip-if(winWidget) fuzzy-if(webrender,55,4281) fuzzy-if(OSX,3,111852) HTTP(..) == bipbop_300_215kbps.mp4.lastframe.html bipbop_300_215kbps.mp4.lastframe-ref.html
+skip-if(Android) fuzzy-if(OSX,22,49977) skip-if(winWidget) fuzzy-if(gtkWidget&&layersGPUAccelerated,70,600) HTTP(..) == short.mp4.firstframe.html short.mp4.firstframe-ref.html
+skip-if(Android) fuzzy-if(OSX,23,51392) fuzzy-if(winWidget,59,76797) fuzzy-if(gtkWidget&&layersGPUAccelerated,60,1800) HTTP(..) == short.mp4.lastframe.html short.mp4.lastframe-ref.html
+skip-if(Android) skip-if(winWidget) fuzzy-if(gtkWidget&&layersGPUAccelerated,55,4281) fuzzy-if(OSX,3,111852) HTTP(..) == bipbop_300_215kbps.mp4.lastframe.html bipbop_300_215kbps.mp4.lastframe-ref.html

testing/mozharness/configs/unittests/linux_unittest.py

@@ -222,7 +222,8 @@ config = {
             "tests": ["tests/jsreftest/tests/jstests.list"]
         },
         "reftest": {
-            "options": ["--suite=reftest"],
+            "options": ["--suite=reftest",
+                        "--setpref=layers.acceleration.force-enabled=true"],
             "tests": ["tests/reftest/tests/layout/reftests/reftest.list"]
         },
         "reftest-no-accel": {