Add a new GetInstance() method for remaining files with singleton classes under chrome/browser.

chrome/browser/dom_ui/html_dialog_ui.cc

Index: chrome/browser/dom_ui/html_dialog_ui.cc
diff --git a/chrome/browser/dom_ui/html_dialog_ui.cc b/chrome/browser/dom_ui/html_dialog_ui.cc
index ee9ce3442c1b2f61512ef8fa14dbc2c6bbae4d7e..fbea1f63e0c55070704b79d5422d58f3771c8ad8 100644
--- a/chrome/browser/dom_ui/html_dialog_ui.cc
+++ b/chrome/browser/dom_ui/html_dialog_ui.cc
@@ -5,13 +5,16 @@
 #include "chrome/browser/dom_ui/html_dialog_ui.h"
 
 #include "base/callback.h"
-#include "base/singleton.h"
+#include "base/lazy_instance.h"
 #include "base/values.h"
 #include "chrome/browser/dom_ui/dom_ui_util.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/common/bindings_policy.h"
 
+static base::LazyInstance<PropertyAccessor<HtmlDialogUIDelegate*> >
+    g_html_dialog_ui_property_accessor(base::LINKER_INITIALIZED);
+
 HtmlDialogUI::HtmlDialogUI(TabContents* tab_contents) : DOMUI(tab_contents) {
 }
 
@@ -28,7 +31,7 @@ HtmlDialogUI::~HtmlDialogUI() {
 
 // static
 PropertyAccessor<HtmlDialogUIDelegate*>& HtmlDialogUI::GetPropertyAccessor() {
-  return *Singleton< PropertyAccessor<HtmlDialogUIDelegate*> >::get();
+  return g_html_dialog_ui_property_accessor.Get();
 }
 
 ////////////////////////////////////////////////////////////////////////////////