Fix some unit_tests under PlzNavigate

content/test/browser_side_navigation_test_utils.cc

Index: content/test/browser_side_navigation_test_utils.cc
diff --git a/content/test/browser_side_navigation_test_utils.cc b/content/test/browser_side_navigation_test_utils.cc
deleted file mode 100644
index 0dbd60b6e25f11198eebd0ad274575609e2c80a2..0000000000000000000000000000000000000000
--- a/content/test/browser_side_navigation_test_utils.cc
+++ /dev/null
@@ -1,74 +0,0 @@
-// Copyright (c) 2014 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 "content/test/browser_side_navigation_test_utils.h"
-
-#include "base/command_line.h"
-#include "base/guid.h"
-#include "base/lazy_instance.h"
-#include "base/macros.h"
-#include "content/browser/streams/stream.h"
-#include "content/browser/streams/stream_registry.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/stream_handle.h"
-#include "content/public/common/content_switches.h"
-#include "content/test/test_navigation_url_loader_factory.h"
-
-namespace content {
-
-namespace {
-
-// PlzNavigate
-// A UI thread singleton helper class for browser side navigations. When browser
-// side navigations are enabled, initialize this class before doing any
-// operation that may start a navigation request on the UI thread. Use TearDown
-// at the end of the test.
-class BrowserSideNavigationTestUtils {
- public:
-  BrowserSideNavigationTestUtils()
-      : stream_registry_(new StreamRegistry),
-        loader_factory_(new TestNavigationURLLoaderFactory) {
-  }
-
-  ~BrowserSideNavigationTestUtils() {}
-  StreamRegistry* stream_registry() { return stream_registry_.get();}
-
- private:
-  std::unique_ptr<StreamRegistry> stream_registry_;
-  std::unique_ptr<TestNavigationURLLoaderFactory> loader_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BrowserSideNavigationTestUtils);
-};
-
-base::LazyInstance<std::unique_ptr<BrowserSideNavigationTestUtils>>
-    browser_side_navigation_test_utils;
-
-}  // namespace
-
-void BrowserSideNavigationSetUp() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  browser_side_navigation_test_utils.Get().reset(
-      new BrowserSideNavigationTestUtils);
-}
-
-void BrowserSideNavigationTearDown() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  browser_side_navigation_test_utils.Get().reset(nullptr);
-}
-
-std::unique_ptr<StreamHandle> MakeEmptyStream() {
-  GURL url(std::string(url::kBlobScheme) + "://" + base::GenerateGUID());
-  StreamRegistry* stream_registry =
-      browser_side_navigation_test_utils.Get()->stream_registry();
-  scoped_refptr<Stream> stream(new Stream(stream_registry, NULL, url));
-  stream->Finalize();
-  return stream->CreateHandle();
-}
-
-void EnableBrowserSideNavigation() {
-  base::CommandLine::ForCurrentProcess()->AppendSwitch(
-      switches::kEnableBrowserSideNavigation);
-}
-
-}  // namespace content