[CSS Typed OM] Fix test bug errors, remove forgotten expectation files

third_party/WebKit/LayoutTests/typedcssom/cssSimpleLength-expected.txt

Index: third_party/WebKit/LayoutTests/typedcssom/cssSimpleLength-expected.txt
diff --git a/third_party/WebKit/LayoutTests/typedcssom/cssSimpleLength-expected.txt b/third_party/WebKit/LayoutTests/typedcssom/cssSimpleLength-expected.txt
deleted file mode 100644
index f29ca88dc7f682ab0ddc469a19421161235ef3b3..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/typedcssom/cssSimpleLength-expected.txt
+++ /dev/null
@@ -1,14 +0,0 @@
-This is a testharness.js-based test.
-PASS CSSSimpleLengths are immutable 
-PASS Each unit type is returned according to the spec 
-PASS Adding CSSSimpleLengths with the same unit produces a new CSSSimpleLength with the correct value. 
-PASS Adding CSSSimpleLengths with different units produces a calc length with the correct values. 
-PASS Subtracting CSSSimpleLengths with the same unit produces a new CSSSimpleLength with the correct value. 
-PASS Subtracting CSSSimpleLengths with different units produces a calc length with the correct values. 
-PASS Multiplying a CSSSimpleLength produces a new CSSSimpleLength with the correct value. 
-PASS Dividing a CSSSimpleLength produces a new CSSSimpleLength with the correct value. 
-PASS Dividing by zero throws a RangeError 
-PASS cssText is generated correctly for each unit type. 
-FAIL Invalid input throws an exception. Test bug: need to pass exception to assert_throws()
-Harness: the test ran to completion.
-