Fix initialization for a few more unit_tests under PlzNavigate

chrome/browser/extensions/api/tabs/tabs_api_unittest.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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
 #include "chrome/browser/extensions/extension_service_test_base.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/test_browser_window.h"
 #include "content/public/browser/navigation_entry.h"
+#include "content/public/common/browser_side_navigation_policy.h"
+#include "content/public/test/browser_side_navigation_test_utils.h"
 #include "content/public/test/web_contents_tester.h"
 #include "extensions/common/extension_builder.h"
 #include "extensions/common/test_util.h"
 
 namespace extensions {
 
 namespace {
 
 std::unique_ptr<base::ListValue> RunTabsQueryFunction(
     Browser* browser,
@@ skipping 26 matching lines @@
   std::unique_ptr<TestBrowserWindow> browser_window_;
   std::unique_ptr<Browser> browser_;
 
   DISALLOW_COPY_AND_ASSIGN(TabsApiUnitTest);
 };
 
 void TabsApiUnitTest::SetUp() {
   ExtensionServiceTestBase::SetUp();
   InitializeEmptyExtensionService();
 
+  if (content::IsBrowserSideNavigationEnabled())
+    content::BrowserSideNavigationSetUp();
+
   browser_window_.reset(new TestBrowserWindow());
   Browser::CreateParams params(profile());
   params.type = Browser::TYPE_TABBED;
   params.window = browser_window_.get();
   browser_.reset(new Browser(params));
 }
 
 void TabsApiUnitTest::TearDown() {
   browser_.reset();
   browser_window_.reset();
+  if (content::IsBrowserSideNavigationEnabled())
+    content::BrowserSideNavigationTearDown();
   ExtensionServiceTestBase::TearDown();
 }
 
 TEST_F(TabsApiUnitTest, QueryWithoutTabsPermission) {
   GURL tab_urls[] = {GURL("http://www.google.com"),
                      GURL("http://www.example.com"),
                      GURL("https://www.google.com")};
   std::string tab_titles[] = {"", "Sample title", "Sample title"};
 
   // Add 3 web contentses to the browser.
@@ skipping 123 matching lines @@
     ASSERT_TRUE(first_tab_info->GetInteger("id", &first_tab_id));
     EXPECT_TRUE(base::ContainsValue(expected_tabs_ids, first_tab_id));
 
     int third_tab_id = -1;
     ASSERT_TRUE(third_tab_info->GetInteger("id", &third_tab_id));
     EXPECT_TRUE(base::ContainsValue(expected_tabs_ids, third_tab_id));
   }
 }
 
 }  // namespace extensions