Add a line number filter for layout tests. Suppress/fix Dartium layout tests.

LayoutTests/dart/custom/lifecycle-exception-expected.txt

Index: LayoutTests/dart/custom/lifecycle-exception-expected.txt
diff --git a/LayoutTests/dart/custom/lifecycle-exception-expected.txt b/LayoutTests/dart/custom/lifecycle-exception-expected.txt
index edb61e2479bbb394477e84cf2c10a1c3b47d5dea..af95703688f9d03147a5044312c903e6d0d6aaad 100644
--- a/LayoutTests/dart/custom/lifecycle-exception-expected.txt
+++ b/LayoutTests/dart/custom/lifecycle-exception-expected.txt
@@ -1,16 +1,36 @@
-CONSOLE MESSAGE: before attached throw
-CONSOLE ERROR: line 12: Exception: attached error
+CONSOLE MESSAGE: line 1: before attached throw
+CONSOLE ERROR: line 1: Uncaught Unhandled exception:
+attached error
+#0      Error.attached (lifecycle-exception.dart:38:19)
 CONSOLE MESSAGE: before attached throw
 CONSOLE MESSAGE: Caught direct throw
-CONSOLE ERROR: line 44: Exception: Class 'Error' has no instance method 'attributeChanged' with matching arguments.
+CONSOLE ERROR: line 1: Uncaught Unhandled exception:
+Class 'Error' has no instance method 'attributeChanged' with matching arguments.
 
 NoSuchMethodError: incorrect number of arguments passed to method named 'attributeChanged'
 Receiver: Instance of 'Error'
 Tried calling: attributeChanged("foo", null, "bar")
 Found: attributeChanged()
-CONSOLE MESSAGE: before detached throw
-CONSOLE ERROR: line 18: Exception: detached error
-CONSOLE ERROR: line 29: Exception: Error2 cannot be created
+#0      Object._noSuchMethod (dart:core-patch/object_patch.dart:42)
+#1      Object.noSuchMethod (dart:core-patch/object_patch.dart:45)
+#2      HtmlDocument.registerElement.<anonymous closure> (dart:html:xxxx)
+#3      JsObject._callMethod (dart:js:xxxx)
+#4      JsObject.callMethod (dart:js:xxxx)
+#5      BlinkElement.setAttribute_Callback_2_ (dart:_blink:xxxx)
+#6      Element.setAttribute (dart:html:xxxx)
+#7      main (lifecycle-exception.dart:44:13)
+CONSOLE MESSAGE: line 1: before detached throw
+CONSOLE ERROR: line 1: Uncaught Unhandled exception:
+detached error
+#0      Error.detached (lifecycle-exception.dart:45:13)
+CONSOLE ERROR: line 1: Uncaught Unhandled exception:
+Error2 cannot be created
+#0      HtmlDocument.registerElement.<anonymous closure> (dart:html:xxxx)
+#1      JsObject._callMethod (dart:js:xxxx)
+#2      JsObject.callMethod (dart:js:xxxx)
+#3      BlinkDocument.createElement_Callback_1_ (dart:_blink:xxxx)
+#4      Document.createElement (dart:html:xxxx)
+#5      main (lifecycle-exception.dart:53:28)
 CONSOLE MESSAGE: false
 CONSOLE MESSAGE: true