Break method lines based on line length.

mojom/mojom_parser/formatter/printer_test.go

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package formatter
 
 import (
         "mojom/mojom_parser/lexer"
         "mojom/mojom_parser/mojom"
         "testing"
@@ skipping 379 matching lines @@
         params.AddField(mojom.NewStructField(mojom.DeclTestData("param2"), mojom.SimpleTypeInt16, nil))
         responseParams := mojom.NewMojomStruct(mojom.DeclTestData("dummy"))
         responseParams.InitAsScope(mojom.NewTestFileScope("test.scope"))
         responseParams.AddField(mojom.NewStructField(mojom.DeclTestData("rparam1"), mojom.SimpleTypeInt32, nil))
         responseParams.AddField(mojom.NewStructField(mojom.DeclTestData("rparam2"), mojom.SimpleTypeInt64, nil))
 
         mojomMethod := mojom.NewMojomMethod(mojom.DeclTestData("method_foo"), params, responseParams)
 
         p := getNewPrinter()
         p.writeDeclaredObject(mojomMethod)
-        checkEq(t, "method_foo(int8 param1, int16 param2)\n    => (int32 rparam1, int64 rparam2);", p.result())
+        checkEq(t, "method_foo(int8 param1, int16 param2) => (int32 rparam1, int64 rparam2);", p.result())
 }