Implement most of the startup page controls in DOMUI prefs

chrome/browser/custom_home_pages_table_model.cc

Index: chrome/browser/custom_home_pages_table_model.cc
diff --git a/chrome/browser/custom_home_pages_table_model.cc b/chrome/browser/custom_home_pages_table_model.cc
index 446aea54c2fcb1a7ba6052ebab81d66ea4def81c..8720a57a48e937f7e6b308fd9435afeee568c65e 100644
--- a/chrome/browser/custom_home_pages_table_model.cc
+++ b/chrome/browser/custom_home_pages_table_model.cc
@@ -8,12 +8,14 @@
 #include "app/resource_bundle.h"
 #include "app/table_model_observer.h"
 #include "base/i18n/rtl.h"
+#include "base/string_util.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/common/url_constants.h"
 #include "gfx/codec/png_codec.h"
 #include "grit/app_resources.h"
 #include "grit/generated_resources.h"
@@ -84,7 +86,9 @@ void CustomHomePagesTableModel::SetToCurrentlyOpenPages() {
 
     for (int tab_index = 0; tab_index < browser->tab_count(); ++tab_index) {
       const GURL url = browser->GetTabContentsAt(tab_index)->GetURL();
-      if (!url.is_empty())
+      if (!url.is_empty() &&
+          !(url.SchemeIs(chrome::kChromeUIScheme) &&
+            url.host() == chrome::kChromeUIOptionsHost))
         Add(add_index++, url);
     }
   }