DOMUI Prefs: Improve saving of homepage pref.

chrome/browser/dom_ui/options/browser_options_handler.h

Index: chrome/browser/dom_ui/options/browser_options_handler.h
diff --git a/chrome/browser/dom_ui/options/browser_options_handler.h b/chrome/browser/dom_ui/options/browser_options_handler.h
index a564f4c56f882b981026938a917db2c618c972f4..5d6a8c894edb59842ecd9cc9500e161c582d3a36 100644
--- a/chrome/browser/dom_ui/options/browser_options_handler.h
+++ b/chrome/browser/dom_ui/options/browser_options_handler.h
@@ -7,12 +7,14 @@
 #pragma once
 
 #include "chrome/browser/dom_ui/options/options_ui.h"
+#include "chrome/browser/prefs/pref_member.h"
 #include "chrome/browser/search_engines/template_url_model_observer.h"
 #include "chrome/browser/shell_integration.h"
 #include "ui/base/models/table_model_observer.h"
 
 class CustomHomePagesTableModel;
 class OptionsManagedBannerHandler;
+class StringPrefMember;
 class TemplateURLModel;
 
 // Chrome browser options page UI handler.
@@ -44,6 +46,9 @@ class BrowserOptionsHandler : public OptionsPageUIHandler,
   virtual void OnItemsRemoved(int start, int length);
 
  private:
+  // Sets the home page to the given string. Called from DOMUI.
+  void SetHomePage(const ListValue* args);
+
   // Makes this the default browser. Called from DOMUI.
   void BecomeDefaultBrowser(const ListValue* args);
 
@@ -85,6 +90,8 @@ class BrowserOptionsHandler : public OptionsPageUIHandler,
 
   scoped_refptr<ShellIntegration::DefaultBrowserWorker> default_browser_worker_;
 
+  StringPrefMember homepage_;
+
   TemplateURLModel* template_url_model_;  // Weak.
 
   // TODO(stuartmorgan): Once there are no other clients of