Rename Event.deepPath() to Event.composedPath()

We renamed Event.deepPath() to Event.composedPath().

Issue: https://github.com/whatwg/dom/issues/242
DOM Standard: https://dom.spec.whatwg.org/#dom-event-composedpath

For histograms,
[email protected]

BUG=531990

Review-Url: https://codereview.chromium.org/2014173002
Cr-Commit-Position: refs/heads/master@{#396799}
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index cd70a0f7..f7ab9b01 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -529,6 +529,8 @@
 crbug.com/505364 imported/wpt/shadow-dom/untriaged/user-interaction/focus-navigation/test-004.html [ Failure ]
 crbug.com/505364 imported/wpt/custom-elements/v0/instantiating/extensions-to-document-interface/create-element-interface-type-is-a-type-extension.html [ Failure ]
 crbug.com/505364 imported/csswg-test/css-scoping-1/css-scoping-shadow-slot-display-override.html [ Failure ]
+crbug.com/505364 imported/wpt/shadow-dom/untriaged/elements-and-dom-objects/extensions-to-event-interface/event-path-001.html [ Failure ]
+crbug.com/505364 imported/wpt/shadow-dom/untriaged/events/event-dispatch/test-003.html [ Failure ]
 
 crbug.com/517840 imported/wpt/webrtc/rtcpeerconnection/rtcpeerconnection-idl.html [ Failure Timeout ]