MD History: re-use history host constant from content/ instead of duplicating to chrome/

chrome/browser/browser_about_handler.cc

 // 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 "chrome/browser/browser_about_handler.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/common/chrome_features.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "components/url_formatter/url_fixer.h"
 #include "content/public/common/content_features.h"
+#include "content/public/common/url_constants.h"
 #include "extensions/features/features.h"
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/webui/md_history_ui.h"
 #endif
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/chrome_feature_list.h"
 #endif
 
@@ skipping 45 matching lines @@
       path = chrome::kChromeUIExtensionsHost + url->path();
     }
   // Redirect chrome://settings/extensions (legacy URL).
   } else if (host == chrome::kChromeUISettingsHost &&
              url->path() ==
                  std::string("/") + chrome::kDeprecatedExtensionsSubPage) {
     host = chrome::kChromeUIUberHost;
     path = chrome::kChromeUIExtensionsHost;
 #endif  // BUILDFLAG(ENABLE_EXTENSIONS)
   // Redirect chrome://history.
-  } else if (host == chrome::kChromeUIHistoryHost) {
+  } else if (host == content::kChromeUIHistoryHost) {
 #if defined(OS_ANDROID)
     // TODO(twellington): remove this after native Android history launches.
     // See http://crbug.com/654071.
     if (!base::FeatureList::IsEnabled(features::kNativeAndroidHistoryManager)) {
       // On Android, redirect directly to chrome://history-frame since
       // uber page is unsupported.
       host = chrome::kChromeUIHistoryFrameHost;
     }
 #else
     // Material design history is handled on the top-level chrome://history
     // host.
     if (base::FeatureList::IsEnabled(features::kMaterialDesignHistory)) {
-      host = chrome::kChromeUIHistoryHost;
+      host = content::kChromeUIHistoryHost;
       path = url->path();
     } else {
       host = chrome::kChromeUIUberHost;
-      path = chrome::kChromeUIHistoryHost + url->path();
+      path = content::kChromeUIHistoryHost + url->path();
     }
 #endif
   // Redirect chrome://settings, unless MD settings is enabled.
   } else if (host == chrome::kChromeUISettingsHost) {
     if (base::FeatureList::IsEnabled(features::kMaterialDesignSettings)) {
       return true;  // Prevent further rewriting - this is a valid URL.
     } else if (::switches::SettingsWindowEnabled()) {
       host = chrome::kChromeUISettingsFrameHost;
     } else {
       host = chrome::kChromeUIUberHost;
@@ skipping 33 matching lines @@
         FROM_HERE, base::Bind(&chrome::AttemptRestart));
     return true;
   } else if (base::LowerCaseEqualsASCII(spec, chrome::kChromeUIQuitURL)) {
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE, base::Bind(&chrome::AttemptExit));
     return true;
   }
 
   return false;
 }