[MD History] Run MD History on chrome://chrome/history.

chrome/browser/browser_about_handler.cc

Index: chrome/browser/browser_about_handler.cc
diff --git a/chrome/browser/browser_about_handler.cc b/chrome/browser/browser_about_handler.cc
index 30899a53a8e80f8df22ad8feaa40252a50c1c953..9a4e49ec4fbfb0c7b9bfb29f26ba89e61953e44f 100644
--- a/chrome/browser/browser_about_handler.cc
+++ b/chrome/browser/browser_about_handler.cc
@@ -87,13 +87,8 @@ bool WillHandleBrowserAboutURL(GURL* url,
 #else
     // Material design history is handled on the top-level chrome://history
     // host.
-    if (MdHistoryUI::IsEnabled(Profile::FromBrowserContext(browser_context))) {
-      host = chrome::kChromeUIHistoryHost;
-      path = url->path();
-    } else {
-      host = chrome::kChromeUIUberHost;
-      path = chrome::kChromeUIHistoryHost + url->path();
-    }
+    host = chrome::kChromeUIUberHost;
+    path = chrome::kChromeUIHistoryHost + url->path();
 #endif
   // Redirect chrome://settings, unless MD settings is enabled.
   } else if (host == chrome::kChromeUISettingsHost) {