Remove old webui History page on desktop and mobile

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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 "chrome/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
 const char kEnableMaterialDesignBookmarksName[] =
     "Enable Material Design bookmarks";
 
 const char kEnableMaterialDesignBookmarksDescription[] =
     "If enabled, the chrome://bookmarks/ URL loads the Material Design "
     "bookmarks page.";
 
 //  Material Design version of chrome://policy
 
 const char kEnableMaterialDesignPolicyPageName[] =
     "Enable Material Design policy page";
 
 const char kEnableMaterialDesignPolicyPageDescription[] =
     "If enabled, the chrome://md-policy URL loads the Material Design "
     "policy page.";
 
-//  Material Design version of chrome://history
-
-const char kEnableMaterialDesignHistoryName[] =
-    "Enable Material Design history";
-
-const char kEnableMaterialDesignHistoryDescription[] =
-    "If enabled, the chrome://history/ URL loads the Material Design "
-    "history page.";
-
 //  Material Design version of chrome://settings
 
 const char kEnableMaterialDesignSettingsName[] =
     "Enable Material Design settings";
 
 const char kEnableMaterialDesignSettingsDescription[] =
     "If enabled, the chrome://settings/ URL loads the Material Design "
     "settings page.";
 
 //  Material Design version of chrome://extensions
@@ skipping 2644 matching lines @@
     "remoting of encrypted content. When disabled, only non-encrypted "
     "content can be remoted.";
 
 //  Chrome OS component updates chrome://flags strings
 
 const char kCrosCompUpdatesName[] = "Chrome OS Flash Component Updates";
 
 const char kCrosCompUpdatesDescription[] =
     "Enable Flash component updates for Chrome OS.";
 
-//  Native Android History chrome://flags strings
-
-#if defined(OS_ANDROID)
-
-const char kNativeAndroidHistoryManager[] = "Native Android History";
-
-const char kNativeAndroidHistoryManagerDescription[] =
-    "Show the native Android UI for browsing history.";
-
-#endif  // defined(OS_ANDROID)
-
 //  Play Services LSD permission prompt chrome://flags strings
 
 #if defined(OS_ANDROID)
 
 const char kLsdPermissionPromptName[] =
     "Location Settings Dialog Permission Prompt";
 
 const char kLsdPermissionPromptDescription[] =
     "Whether to use the Google Play Services Location Settings Dialog "
     "permission dialog.";
@@ skipping 328 matching lines @@
 
 const char kAutoplayPolicyNoUserGestureRequired[] =
     "No user gesture is required.";
 
 const char kAutoplayPolicyUserGestureRequired[] = "User gesture is required.";
 
 const char kAutoplayPolicyCrossOriginUserGestureRequired[] =
     "User gesture is required for cross-origin iframes.";
 
 }  // namespace flag_descriptions