Allow arguments before and after block-formatted functions.

test/regression/0000/0000.stmt

 >>>
 _log(new LogEntry(error.transform, error.transform.primaryId, LogLevel.ERROR,
     message, null), arg);
 <<<
 _log(
     new LogEntry(error.transform, error.transform.primaryId, LogLevel.ERROR,
         message, null),
     arg);
 >>> (indent 4)
     expect(date_format
@@ skipping 23 matching lines @@
       HInstruction value = fieldValues[member];
       if (value == null) {
         // Uninitialized native fields are pre-initialized by the native
         // implementation.
         assert(isNativeUpgradeFactory);
       } else {
         fields.add(member);
         DartType type = localsHandler.substInContext(member.type);
         constructorArguments.add(potentiallyCheckOrTrustType(value, type));
       }
-    },
-        includeSuperAndInjectedMembers: true);
+    }, includeSuperAndInjectedMembers: true);
 >>> (indent 6)
       HLoopBlockInformation info = new HLoopBlockInformation(
           HLoopBlockInformation.loopType(loop),
           wrapExpressionGraph(initializerGraph),
           wrapExpressionGraph(conditionExpression),
           wrapStatementGraph(bodyGraph), wrapExpressionGraph(updateGraph),
           conditionBlock.loopInformation.target,
           conditionBlock.loopInformation.labels,
           sourceFileLocationForBeginToken(loop),
           sourceFileLocationForEndToken(loop));
@@ skipping 14 matching lines @@
           buildSwitchCase);
 <<<
       handleSwitch(
           node,
           new NullJumpHandler(compiler),
           buildExpression,
           node.cases,
           getConstants,
           (_) => false, // No case is default.
           buildSwitchCase);