Add WebAuthn bindings and client interface.

third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt

Index: third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt
diff --git a/third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt b/third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt
index f2517de771333c35206df9e0b649b22151f9b9d9..d54813dff9a98031235c340fa6b8982425157471 100644
--- a/third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt
+++ b/third_party/WebKit/LayoutTests/imported/wpt/html/browsers/origin/cross-origin-objects/cross-origin-objects-exceptions-expected.txt
@@ -3,16 +3,16 @@ FAIL Basic sanity-checking assert_equals: Need to run the top-level test from do
 FAIL Only whitelisted properties are accessible cross-origin assert_throws: Should throw when accessing stop on Window function "function () { C[prop]; }" did not throw
 FAIL [[GetPrototypeOf]] should return null assert_true: cross-origin Window proto is null expected true got false
 FAIL [[SetPrototypeOf]] should throw assert_throws: proto set on cross-origin Window function "function () { C.__proto__ = new Object(); }" threw object "TypeError: Immutable prototype object '#<Window>' cannot have their prototype set" that is not a DOMException SecurityError: property "code" is equal to undefined, expected 18
-PASS [[IsExtensible]] should return true for cross-origin objects 
+PASS [[IsExtensible]] should return true for cross-origin objects
 FAIL [[PreventExtensions]] should throw for cross-origin objects assert_throws: preventExtensions on cross-origin Window should throw function "function () { Object.preventExtensions(C) }" did not throw
-PASS [[GetOwnProperty]] - Properties on cross-origin objects should be reported |own| 
+PASS [[GetOwnProperty]] - Properties on cross-origin objects should be reported |own|
 FAIL [[GetOwnProperty]] - Property descriptors for cross-origin properties should be set up correctly assert_equals: property descriptor for location should be non-enumerable expected false but got true
 FAIL [[Delete]] Should throw on cross-origin objects assert_throws: Can't delete cross-origin indexed property function "function () { delete C[0]; }" did not throw
 FAIL [[DefineOwnProperty]] Should throw for cross-origin objects assert_throws: Can't define cross-origin value property length function "function () { Object.defineProperty(obj, prop, valueDesc); }" did not throw
 FAIL [[Enumerate]] should return an empty iterator assert_unreached: Shouldn't have been able to enumerate stop on cross-origin Window Reached unreachable code
-FAIL [[OwnPropertyKeys]] should return all properties from cross-origin objects assert_array_equals: Object.getOwnPropertyNames() gives the right answer for cross-origin Window lengths differ, expected 875 got 13
-PASS A and B jointly observe the same identity for cross-origin Window and Location 
-PASS Cross-origin functions get local Function.prototype 
+FAIL [[OwnPropertyKeys]] should return all properties from cross-origin objects assert_array_equals: Object.getOwnPropertyNames() gives the right answer for cross-origin Window lengths differ, expected 877 got 13
+PASS A and B jointly observe the same identity for cross-origin Window and Location
+PASS Cross-origin functions get local Function.prototype
 FAIL Cross-origin Window accessors get local Function.prototype Cannot read property 'name' of undefined
 FAIL Same-origin observers get different functions for cross-origin objects assert_true: same-origin Window functions get their own object expected true got false
 FAIL Same-origin observers get different accessors for cross-origin Window assert_true: different Window accessors per-incumbent script settings object expected true got false