Delete unused prefs::kHomePageChanged.

chrome/browser/ui/browser.cc

 // Copyright 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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // defined(OS_WIN)
@@ skipping 362 matching lines @@
                  content::NotificationService::AllSources());
 
   profile_pref_registrar_.Init(profile_->GetPrefs());
   profile_pref_registrar_.Add(
       prefs::kDevToolsDisabled,
       base::Bind(&Browser::OnDevToolsDisabledChanged, base::Unretained(this)));
   profile_pref_registrar_.Add(
       prefs::kShowBookmarkBar,
       base::Bind(&Browser::UpdateBookmarkBarState, base::Unretained(this),
                  BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE));
-  profile_pref_registrar_.Add(
-      prefs::kHomePage,
-      base::Bind(&Browser::MarkHomePageAsChanged, base::Unretained(this)));
 
   BrowserList::AddBrowser(this);
 
   // NOTE: These prefs all need to be explicitly destroyed in the destructor
   // or you'll get a nasty surprise when you run the incognito tests.
   encoding_auto_detect_.Init(prefs::kWebKitUsesUniversalDetector,
                              profile_->GetPrefs());
 
   if (is_type_tabbed())
     instant_controller_.reset(new BrowserInstantController(this));
@@ skipping 1404 matching lines @@
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Command and state updating (private):
 
 void Browser::OnDevToolsDisabledChanged() {
   if (profile_->GetPrefs()->GetBoolean(prefs::kDevToolsDisabled))
     content::DevToolsManager::GetInstance()->CloseAllClientHosts();
 }
 
-void Browser::MarkHomePageAsChanged() {
-  profile_->GetPrefs()->SetBoolean(prefs::kHomePageChanged, true);
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, UI update coalescing and handling (private):
 
 void Browser::UpdateToolbar(bool should_restore_state) {
   window_->UpdateToolbar(tab_strip_model_->GetActiveWebContents(),
                          should_restore_state);
 }
 
 void Browser::UpdateSearchState(WebContents* contents) {
   if (chrome::IsInstantExtendedAPIEnabled())
@@ skipping 409 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }