IntersectionObserver: convert tests to testharness.js

third_party/WebKit/LayoutTests/intersection-observer/root-margin-expected.txt

Index: third_party/WebKit/LayoutTests/intersection-observer/root-margin-expected.txt
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/root-margin-expected.txt b/third_party/WebKit/LayoutTests/intersection-observer/root-margin-expected.txt
deleted file mode 100644
index 09806a0ae3f3d9ba83e9f3b3f984b5d9e788e036..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/intersection-observer/root-margin-expected.txt
+++ /dev/null
@@ -1,45 +0,0 @@
-Intersection observer test with root margin and implicit root.
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS new IntersectionObserver(c => {}, { rootMargin: '1.4px' }) did not throw exception.
-PASS new IntersectionObserver(c => {}, { rootMargin: '1.4px 2px' }) did not throw exception.
-PASS new IntersectionObserver(c => {}, { rootMargin: '1.4px 2px 3%' }) did not throw exception.
-PASS entries.length is 0
-PASS entries.length is 0
-PASS entries.length is 1
-PASS entries.length is 1
-PASS entries[0].boundingClientRect.left is 912
-PASS entries[0].boundingClientRect.right is 1012
-PASS entries[0].boundingClientRect.top is 708
-PASS entries[0].boundingClientRect.bottom is 808
-PASS entries[0].intersectionRect.left is 912
-PASS entries[0].intersectionRect.right is 942
-PASS entries[0].intersectionRect.top is 708
-PASS entries[0].intersectionRect.bottom is 808
-PASS entries[0].rootBounds.left is -30
-PASS entries[0].rootBounds.right is 942
-PASS entries[0].rootBounds.top is -10
-PASS entries[0].rootBounds.bottom is 819
-PASS entries[0].target is [object HTMLDivElement]
-PASS entries.length is 1
-PASS entries.length is 2
-PASS entries[1].boundingClientRect.left is 912
-PASS entries[1].boundingClientRect.right is 1012
-PASS entries[1].boundingClientRect.top is -192
-PASS entries[1].boundingClientRect.bottom is -92
-PASS entries[1].intersectionRect.left is 0
-PASS entries[1].intersectionRect.right is 0
-PASS entries[1].intersectionRect.top is 0
-PASS entries[1].intersectionRect.bottom is 0
-PASS entries[1].rootBounds.left is -30
-PASS entries[1].rootBounds.right is 942
-PASS entries[1].rootBounds.top is -10
-PASS entries[1].rootBounds.bottom is 819
-PASS entries[1].target is [object HTMLDivElement]
-PASS successfullyParsed is true
-
-TEST COMPLETE
-  
-