INPUT element: avoid crash in EventDispatcher::dispatchEventPostProcess().

third_party/WebKit/LayoutTests/external/wpt/dom/events/Event-dispatch-click-expected.txt

Index: third_party/WebKit/LayoutTests/external/wpt/dom/events/Event-dispatch-click-expected.txt
diff --git a/third_party/WebKit/LayoutTests/external/wpt/dom/events/Event-dispatch-click-expected.txt b/third_party/WebKit/LayoutTests/external/wpt/dom/events/Event-dispatch-click-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..5928c6af40cc5f222983d26c5c3fb47a791c1279
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/external/wpt/dom/events/Event-dispatch-click-expected.txt
@@ -0,0 +1,17 @@
+This is a testharness.js-based test.
+PASS basic with click() 
+PASS basic with dispatchEvent() 
+PASS basic with wrong event class 
+PASS look at parents only when event bubbles 
+FAIL look at parents when event bubbles assert_true: expected true got false
+FAIL pick the first with activation behavior <input type=checkbox> assert_true: child pre-click must be triggered expected true got false
+PASS pick the first with activation behavior <a href> 
+PASS event state during post-click handling 
+PASS redispatch during post-click handling 
+PASS disabled checkbox still has activation behavior 
+PASS disabled checkbox still has activation behavior, part 2 
+PASS disconnected checkbox should be checked 
+PASS disconnected radio should be checked 
+FAIL disconnected form should not submit assert_false: expected false got true
+Harness: the test ran to completion.
+