headless: Make HeadlessBrowser::Options move-only

headless/test/headless_test_launcher.cc

 // 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.
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/sys_info.h"
 #include "content/public/test/content_test_suite_base.h"
 #include "content/public/test/test_launcher.h"
 #include "headless/lib/browser/headless_browser_impl.h"
 #include "headless/lib/headless_content_main_delegate.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace headless {
 namespace {
 
 class HeadlessBrowserImplForTest : public HeadlessBrowserImpl {
  public:
-  explicit HeadlessBrowserImplForTest(const HeadlessBrowser::Options& options)
+  explicit HeadlessBrowserImplForTest(HeadlessBrowser::Options options)
       : HeadlessBrowserImpl(base::Bind(&HeadlessBrowserImplForTest::OnStart,
                                        base::Unretained(this)),
-                            options) {}
+                            std::move(options)) {}
 
   void OnStart(HeadlessBrowser* browser) { EXPECT_EQ(this, browser); }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HeadlessBrowserImplForTest);
 };
 
 class HeadlessTestLauncherDelegate : public content::TestLauncherDelegate {
  public:
   HeadlessTestLauncherDelegate() {}
@@ skipping 24 matching lines @@
 };
 
 }  // namespace
 }  // namespace headless
 
 int main(int argc, char** argv) {
   int default_jobs = std::max(1, base::SysInfo::NumberOfProcessors() / 2);
   headless::HeadlessTestLauncherDelegate launcher_delegate;
   return LaunchTests(&launcher_delegate, default_jobs, argc, argv);
 }