Rebaseline web-animations-css failures.

LayoutTests/platform/mac/virtual/web-animations-css/animations/missing-from-to-expected.txt

Index: LayoutTests/platform/mac/virtual/web-animations-css/animations/missing-from-to-expected.txt
diff --git a/LayoutTests/platform/mac/virtual/web-animations-css/animations/missing-from-to-expected.txt b/LayoutTests/platform/mac/virtual/web-animations-css/animations/missing-from-to-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..17f38709440f42ca50250411baf4d04dd99934cb
--- /dev/null
+++ b/LayoutTests/platform/mac/virtual/web-animations-css/animations/missing-from-to-expected.txt
@@ -0,0 +1,33 @@
+PASS - "left" property for "box1" element at 0.4s saw something close to: 20
+PASS - "left" property for "box2" element at 0.4s saw something close to: 20
+PASS - "left" property for "box3" element at 0.4s saw something close to: 20
+PASS - "left" property for "box4" element at 0.4s saw something close to: 20
+PASS - "left" property for "box1" element at 1s saw something close to: 20
+PASS - "left" property for "box2" element at 1s saw something close to: 20
+PASS - "left" property for "box3" element at 1s saw something close to: 20
+PASS - "left" property for "box4" element at 1s saw something close to: 25
+PASS - "left" property for "box1" element at 1.6s saw something close to: 15
+PASS - "left" property for "box2" element at 1.6s saw something close to: 15
+FAIL - "left" property for "box3" element at 1.6s expected: 15 but saw: 10
+PASS - "left" property for "box4" element at 1.6s saw something close to: 15
+
+Log:
+9.70599998254329 - runAnimationTest
+11.472000041976571 - First webkitAnimationStart event fired
+11.503999936394393 - Finished waiting for animations to start
+11.574000003747642 - Pausing at time: 400, active animations: 4
+11.648999992758036 - Checking expectation: ["anim1",0.4,"box1","left",20,2]
+12.466999934986234 - Checking expectation: ["anim2",0.4,"box2","left",20,2]
+12.529999949038029 - Checking expectation: ["anim3",0.4,"box3","left",20,2]
+12.559999944642186 - Checking expectation: ["anim4",0.4,"box4","left",20,2]
+12.589999940246344 - Pausing at time: 1000, active animations: 4
+12.60999997612089 - Checking expectation: ["anim1",1,"box1","left",20,2]
+12.786000035703182 - Checking expectation: ["anim2",1,"box2","left",20,2]
+12.817000038921833 - Checking expectation: ["anim3",1,"box3","left",20,2]
+12.84099998883903 - Checking expectation: ["anim4",1,"box4","left",25,2]
+12.863999931141734 - Pausing at time: 1600, active animations: 4
+12.881999951787293 - Checking expectation: ["anim1",1.6,"box1","left",15,2]
+13.066999963484704 - Checking expectation: ["anim2",1.6,"box2","left",15,2]
+13.097999966703355 - Checking expectation: ["anim3",1.6,"box3","left",15,2]
+13.159999973140657 - Checking expectation: ["anim4",1.6,"box4","left",15,2]
+13.21000000461936 - Ending test