The mp4Video check includes h264 now.

photonstorm · photonstorm · commit 734fbfea9ecb · 2015-05-19T14:18:57.000+01:00
diff --git a/src/system/Device.js b/src/system/Device.js
@@ -1227,7 +1227,7 @@ Phaser.Device.canPlayVideo = function (type) {
     {
         return true;
     }
-    else if (type === 'mp4' && this.mp4Video)
+    else if (type === 'mp4' && (this.mp4Video || this.h264Video))
     {
         return true;
     }

Original file line number	Diff line number	Diff line change
`@@ -1227,7 +1227,7 @@ Phaser.Device.canPlayVideo = function (type) {`
`1227`	`1227`	`{`
`1228`	`1228`	`return true;`
`1229`	`1229`	`}`
`1230`		`- else if (type === 'mp4' && this.mp4Video)`
	`1230`	`+ else if (type === 'mp4' && (this.mp4Video \|\| this.h264Video))`
`1231`	`1231`	`{`
`1232`	`1232`	`return true;`
`1233`	`1233`	`}`