Make WebKitCSSMatrix an alias of DOMMatrix

third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt

Index: third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt
diff --git a/third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt b/third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt
index 247a66df4e43abd00b7bc17362a8135bef77f310..3563c333ab7e16fee393f80c559a01707d044a3d 100644
--- a/third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt
+++ b/third_party/WebKit/LayoutTests/transforms/cssmatrix-3d-interface-expected.txt
@@ -29,7 +29,7 @@ PASS parseFloat(a3[0]) is 1
 PASS a3[1] is ""
 
 Test bad input to string constructor
-PASS new WebKitCSSMatrix("banana") threw exception SyntaxError: Failed to construct 'WebKitCSSMatrix': Failed to parse 'banana'..
+PASS new WebKitCSSMatrix("banana") threw exception SyntaxError: Failed to construct 'DOMMatrix': Failed to parse 'banana'..
 
 Test attributes on default matrix
 PASS m.m11 is 1
@@ -104,9 +104,9 @@ PASS m.m43 is 30
 PASS m.m44 is 1
 
 Test throwing exception from setMatrixValue
-PASS m.setMatrixValue("banana") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'WebKitCSSMatrix': Failed to parse 'banana'..
-PASS m.setMatrixValue("translate3d(10em, 20%, 40)") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'WebKitCSSMatrix': Failed to parse 'translate3d(10em, 20%, 40)'..
-PASS m.setMatrixValue("translate3d(10px, 20px, 30px) scale3d()") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'WebKitCSSMatrix': Failed to parse 'translate3d(10px, 20px, 30px) scale3d()'..
+PASS m.setMatrixValue("banana") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'DOMMatrix': Failed to parse 'banana'..
+PASS m.setMatrixValue("translate3d(10em, 20%, 40)") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'DOMMatrix': Failed to parse 'translate3d(10em, 20%, 40)'..
+PASS m.setMatrixValue("translate3d(10px, 20px, 30px) scale3d()") threw exception SyntaxError: Failed to execute 'setMatrixValue' on 'DOMMatrix': Failed to parse 'translate3d(10px, 20px, 30px) scale3d()'..
 
 Test multiply
 PASS parseFloat(m3.m11) is 538
@@ -216,8 +216,41 @@ PASS parseFloat(m.m42) is 20
 PASS parseFloat(m.m43) is 30
 PASS parseFloat(m.m44) is 1
 
-Test throwing exception from inverse
-PASS m.inverse() threw exception NotSupportedError: Failed to execute 'inverse' on 'WebKitCSSMatrix': The matrix is not invertable..
+Test not invertible 3d matrix
+PASS m2.m11 is NaN
+PASS m2.m12 is NaN
+PASS m2.m13 is NaN
+PASS m2.m14 is NaN
+PASS m2.m21 is NaN
+PASS m2.m22 is NaN
+PASS m2.m23 is NaN
+PASS m2.m24 is NaN
+PASS m2.m31 is NaN
+PASS m2.m32 is NaN
+PASS m2.m33 is NaN
+PASS m2.m34 is NaN
+PASS m2.m41 is NaN
+PASS m2.m42 is NaN
+PASS m2.m43 is NaN
+PASS m2.m44 is NaN
+
+Test immutability of inverse
+PASS m.m11 is 0
+PASS m.m12 is 0
+PASS m.m13 is 0
+PASS m.m14 is 0
+PASS m.m21 is 0
+PASS m.m22 is 0
+PASS m.m23 is 0
+PASS m.m24 is 0
+PASS m.m31 is 0
+PASS m.m32 is 0
+PASS m.m33 is 0
+PASS m.m34 is 0
+PASS m.m41 is 0
+PASS m.m42 is 0
+PASS m.m43 is 0
+PASS m.m44 is 0
 
 Test translate
 PASS m2.m11 is 1