Extract TestLegalMessageLine from LegalMessageLineTest

This is so it can be reused in other unittests.

Change-Id: I752a5929e521d9cc24519a9d2d3a5a73bb0f6aef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1757069Reviewed-by: Jared Saul <jsaul@google.com>
Reviewed-by: Moe Ahmadi <mahmadi@chromium.org>
Commit-Queue: John Wu <jzw@chromium.org>
Cr-Commit-Position: refs/heads/master@{#688364}

components/autofill/core/browser/BUILD.gn

@@ -415,6 +415,7 @@ jumbo_static_library("test_support") {
     "payments/test_credit_card_save_manager.h",
     "payments/test_credit_card_save_strike_database.cc",
     "payments/test_credit_card_save_strike_database.h",
+    "payments/test_legal_message_line.h",
     "payments/test_local_card_migration_manager.cc",
     "payments/test_local_card_migration_manager.h",
     "payments/test_payments_client.cc",

components/autofill/core/browser/payments/legal_message_line_unittest.cc

@@ -11,6 +11,7 @@
 #include "base/json/json_reader.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
+#include "components/autofill/core/browser/payments/test_legal_message_line.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -18,31 +19,6 @@ namespace autofill {
 
 using Link = LegalMessageLine::Link;
 
-// A legal message line that allows for modifications.
-class TestLegalMessageLine : public LegalMessageLine {
- public:
-  TestLegalMessageLine() {}
-
-  TestLegalMessageLine(const std::string& ascii_text) { set_text(ascii_text); }
-
-  TestLegalMessageLine(const std::string& ascii_text,
-                       const std::vector<Link>& links) {
-    set_text(ascii_text);
-    set_links(links);
-  }
-
-  ~TestLegalMessageLine() override {}
-
-  void set_text(const std::string& ascii_text) {
-    text_ = base::ASCIIToUTF16(ascii_text);
-  }
-
-  void set_links(const std::vector<Link>& links) { links_ = links; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(TestLegalMessageLine);
-};
-
 // A test case.
 struct TestCase {
   std::string message_json;

components/autofill/core/browser/payments/test_legal_message_line.h

+// Copyright 2019 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.
+
+#ifndef COMPONENTS_AUTOFILL_CORE_BROWSER_PAYMENTS_TEST_LEGAL_MESSAGE_LINE_H_
+#define COMPONENTS_AUTOFILL_CORE_BROWSER_PAYMENTS_TEST_LEGAL_MESSAGE_LINE_H_
+
+#include <string>
+
+#include "base/strings/utf_string_conversions.h"
+#include "components/autofill/core/browser/payments/legal_message_line.h"
+
+namespace autofill {
+
+using Link = LegalMessageLine::Link;
+
+// A legal message line that allows for modifications.
+class TestLegalMessageLine : public LegalMessageLine {
+ public:
+  TestLegalMessageLine() {}
+
+  TestLegalMessageLine(const std::string& ascii_text) { set_text(ascii_text); }
+
+  TestLegalMessageLine(const std::string& ascii_text,
+                       const std::vector<Link>& links) {
+    set_text(ascii_text);
+    set_links(links);
+  }
+
+  ~TestLegalMessageLine() override {}
+
+  void set_text(const std::string& ascii_text) {
+    text_ = base::ASCIIToUTF16(ascii_text);
+  }
+
+  void set_links(const std::vector<Link>& links) { links_ = links; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(TestLegalMessageLine);
+};
+
+}  // namespace autofill
+
+#endif  // COMPONENTS_AUTOFILL_CORE_BROWSER_PAYMENTS_TEST_LEGAL_MESSAGE_LINE_H_