Remove old webui History page on desktop and mobile

chrome/browser/sessions/better_session_restore_browsertest.cc

Index: chrome/browser/sessions/better_session_restore_browsertest.cc
diff --git a/chrome/browser/sessions/better_session_restore_browsertest.cc b/chrome/browser/sessions/better_session_restore_browsertest.cc
index e14d8439e9858a2a52cf9e8cc6d60789e5f17f5e..4c5d9aa0b99c94748a222cca9c3b55b5ab02b27a 100644
--- a/chrome/browser/sessions/better_session_restore_browsertest.cc
+++ b/chrome/browser/sessions/better_session_restore_browsertest.cc
@@ -13,7 +13,6 @@
 #include "base/macros.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/test/scoped_feature_list.h"
 #include "build/build_config.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/browser_process.h"
@@ -36,8 +35,6 @@
 #include "chrome/browser/ui/startup/startup_browser_creator.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/md_history_ui.h"
-#include "chrome/common/chrome_features.h"
-#include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
@@ -500,48 +497,6 @@ IN_PROC_BROWSER_TEST_F(ContinueWhereILeftOffTest, SessionCookiesBrowserClose) {
   CheckReloadedPageRestored(new_browser);
 }
 
-// Test that switching MD History on behaves correctly with session restore.
-IN_PROC_BROWSER_TEST_F(ContinueWhereILeftOffTest, MDHistoryUpgrade) {
-  MdHistoryUI::use_test_title_ = true;
-  Browser* current_browser = browser();
-  {
-    base::test::ScopedFeatureList feature_list;
-    feature_list.InitAndDisableFeature(features::kMaterialDesignHistory);
-    content::WebContents* web_contents =
-        current_browser->tab_strip_model()->GetActiveWebContents();
-    content::TitleWatcher title_watcher(web_contents,
-                                        base::ASCIIToUTF16("History"));
-    ui_test_utils::NavigateToURL(current_browser, GURL("chrome://history"));
-    base::string16 final_title = title_watcher.WaitAndGetTitle();
-    EXPECT_EQ(3u, current_browser->tab_strip_model()
-                     ->GetActiveWebContents()
-                     ->GetAllFrames()
-                     .size());
-  }
-  {
-    base::test::ScopedFeatureList feature_list;
-    feature_list.InitAndEnableFeature(features::kMaterialDesignHistory);
-    current_browser = QuitBrowserAndRestore(browser(), false);
-    // The new history page should have loaded.
-    CheckTitle(current_browser, base::ASCIIToUTF16("MD History"));
-    EXPECT_EQ(1u, current_browser->tab_strip_model()
-                     ->GetActiveWebContents()
-                     ->GetAllFrames()
-                     .size());
-  }
-  {
-    base::test::ScopedFeatureList feature_list;
-    feature_list.InitAndDisableFeature(features::kMaterialDesignHistory);
-    current_browser = QuitBrowserAndRestore(current_browser, false);
-    // The old history page should have loaded.
-    CheckTitle(current_browser, base::ASCIIToUTF16("History"));
-    EXPECT_EQ(3u, current_browser->tab_strip_model()
-                     ->GetActiveWebContents()
-                     ->GetAllFrames()
-                     .size());
-  }
-}
-
 // Test that leaving a popup open will not prevent session restore.
 IN_PROC_BROWSER_TEST_F(ContinueWhereILeftOffTest,
                        SessionCookiesBrowserCloseWithPopupOpen) {