Make WebKitCSSMatrix an alias of DOMMatrix

android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt

Index: android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
diff --git a/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt b/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
index e68193f5ad4488746957e576a67ac6c6bc862b1c..cb8284cf894e6b25af4044447d58e2ae4bc7abb9 100644
--- a/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
+++ b/android_webview/tools/system_webview_shell/test/data/webexposed/global-interface-listing-expected.txt
@@ -5165,7 +5165,8 @@ interface WebKitAnimationEvent : Event
     getter animationName
     getter elapsedTime
     method constructor
-interface WebKitCSSMatrix
+interface WebKitCSSMatrix : DOMMatrixReadOnly
+    attribute @@toStringTag
     getter a
     getter b
     getter c
@@ -5189,16 +5190,18 @@ interface WebKitCSSMatrix
     getter m43
     getter m44
     method constructor
-    method inverse
-    method multiply
-    method rotate
-    method rotateAxisAngle
-    method scale
+    method invertSelf
+    method multiplySelf
+    method preMultiplySelf
+    method rotateAxisAngleSelf
+    method rotateFromVectorSelf
+    method rotateSelf
+    method scale3dSelf
+    method scaleSelf
     method setMatrixValue
-    method skewX
-    method skewY
-    method toString
-    method translate
+    method skewXSelf
+    method skewYSelf
+    method translateSelf
     setter a
     setter b
     setter c