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

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index b5220b360faee6e2cec3b568d026aa081bdabeb9..a57ad0b96521459196513b343b12156db991e729 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -1,7 +1,7 @@
 // Copyright (c) 2012 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/debug/stack_trace.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
 
 #include <stddef.h>
@@ -434,7 +434,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
   }
   // Material Design history is on its own host, rather than on an Uber page.
   if (MdHistoryUI::IsEnabled(profile) &&
-      url.host() == chrome::kChromeUIHistoryHost) {
+      url.host() == chrome::kChromeUIUberHost &&
+      url.path().find("/" + std::string(chrome::kChromeUIHistoryHost)) == 0) {
     return &NewWebUI<MdHistoryUI>;
   }
   // Material Design Settings gets its own host, if enabled.
@@ -460,8 +461,9 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
   if (url.host() == chrome::kChromeUIUberFrameHost)
     return &NewWebUI<UberFrameUI>;
   // Uber page is not used on Android.
-  if (url.host() == chrome::kChromeUIUberHost)
+  if (url.host() == chrome::kChromeUIUberHost) {
     return &NewWebUI<UberUI>;
+  }
 #endif  // !defined(OS_ANDROID)
 #if defined(OS_WIN)
   if (url.host() == chrome::kChromeUIConflictsHost)