Update a couple more tests for load completion definition change

LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html

Index: LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html
diff --git a/LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html b/LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html
index 609844f6e2708a7ebd9155c7218b13a0e1873732..8c7494769296a3733391718019bc4f43e5760c4e 100644
--- a/LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html
+++ b/LayoutTests/fast/dom/HTMLImageElement/image-sizes-2x.html
@@ -4,10 +4,13 @@
 </script>
 <script src="../../hidpi/resources/srcset-helper.js"></script>
 <script src="../../../resources/js-test.js"></script>
+<script src="../../../resources/run-after-display.js"></script>

[dcheng, 2014/11/12 21:30:33]

This doesn't seem to be used.

 <script src="resources/currentSrcHelper.js"></script>
 <script>
     if (window.testRunner)
         testRunner.dumpAsText();
+    window.manualNotifyDone = true;

[dcheng, 2014/11/12 21:30:33]

srcset-helper.js doesn't (seem) to be widely used yet. Would it be possible to
update the tests that use it so we don't need this magic variable?

[Nate Chapin, 2014/11/12 21:33:28]

It's used in ~50 tests. I can do that if you really want, but I dispute your
definition of "widely used" :)

[dcheng, 2014/11/12 21:43:41]

Codesearch fail =/

Would it be possible to just to wrap the notifyDone() in srcset-helper.js in a
setTimeout(..., 0) then?

+    var reloaded = sessionStorage.pageReloaded;

[dcheng, 2014/11/12 21:30:33]

Yikes, magic variables =/

 
     addEventListener("load", function() {
         shouldBe('document.getElementById("simple").clientWidth', 'window.innerWidth');
@@ -34,6 +37,9 @@
         shouldBe('currentSrcFileNameNoParams("half_size")', '"image-set-2x.png"');
         shouldBe('document.getElementById("infitisimal_sizes").clientWidth', '(window.innerWidth/100)');
         shouldBe('currentSrcFileNameNoParams("infitisimal_sizes")', '"image-set-2x.png"');
+
+        if (window.testRunner && reloaded)
+            testRunner.notifyDone();
     }, false);
 </script>
 <img id="simple" src="" sizes="(max-width: 300px) 400px, 800px" srcset="../../hidpi/resources/image-set-1x.png?1 400w, ../../hidpi/resources/image-set-2x.png?1 800w">