Added 8 new vr layout tests for various requestPresent conditions

third_party/WebKit/LayoutTests/vr/requestPresent_reject_toomanylayers.html

Index: third_party/WebKit/LayoutTests/vr/requestPresent_reject_toomanylayers.html
diff --git a/third_party/WebKit/LayoutTests/vr/requestPresent_reject_notsupported.html b/third_party/WebKit/LayoutTests/vr/requestPresent_reject_toomanylayers.html
similarity index 73%
copy from third_party/WebKit/LayoutTests/vr/requestPresent_reject_notsupported.html
copy to third_party/WebKit/LayoutTests/vr/requestPresent_reject_toomanylayers.html
index 4f0f69eee56e0bdb59422d9b6b2b4e9ee0e3caf8..4ca4b9320b5650a47deccd4fb30a0c6885d8fc5d 100644
--- a/third_party/WebKit/LayoutTests/vr/requestPresent_reject_notsupported.html
+++ b/third_party/WebKit/LayoutTests/vr/requestPresent_reject_toomanylayers.html
@@ -13,13 +13,18 @@ vr_test((service) => {
   return navigator.getVRDisplays().then(displays => {
       assert_true(displays != null);
       assert_equals(1, displays.length);
+      var max_layers = displays[0].capabilities.maxLayers;
+      var layers = [];
+      for (var i = 0; i <= max_layers; ++i) {
+        layers.push({ source : webglCanvas });
+      }
       var asyncTest = async_test(
           "requestPresent rejects and does not present");
       runWithUserGesture( () => {
-        displays[0].requestPresent([{ source : webglCanvas }]).then( () => {
+        displays[0].requestPresent(layers).then( () => {
           asyncTest.step( () => {
             assert_unreached();
-          }, "Display should be presenting");
+          }, "Display should not be presenting");
         }, (err) => {
           asyncTest.step( () => {
             assert_false(displays[0].isPresenting);
@@ -29,7 +34,7 @@ vr_test((service) => {
         });
       });
     });
-}, [fakeDisplays['FakeMagicWindowOnly']],
-'Test requestPresent rejects if display does not support it');
+}, [fakeDisplays['Pixel']],
+'Test requestPresent rejects if provided too many layers');
 
 </script>