browser: Move FindBrowserWithWebContents() into chrome namespace.

chrome/browser/ui/webui/ntp/ntp_login_handler.cc

Index: chrome/browser/ui/webui/ntp/ntp_login_handler.cc
diff --git a/chrome/browser/ui/webui/ntp/ntp_login_handler.cc b/chrome/browser/ui/webui/ntp/ntp_login_handler.cc
index 94af9f3a0cc9a4df103f8421fec9b025c2f9175b..e182bd6ca28f3c95f67983a204c7df7a374097b6 100644
--- a/chrome/browser/ui/webui/ntp/ntp_login_handler.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_login_handler.cc
@@ -129,7 +129,7 @@ void NTPLoginHandler::HandleShowSyncLoginUI(const ListValue* args) {
   std::string username = profile->GetPrefs()->GetString(
       prefs::kGoogleServicesUsername);
   content::WebContents* web_contents = web_ui()->GetWebContents();
-  Browser* browser = browser::FindBrowserWithWebContents(web_contents);
+  Browser* browser = chrome::FindBrowserWithWebContents(web_contents);
   if (!browser)
     return;
 
@@ -186,7 +186,7 @@ void NTPLoginHandler::HandleLoginMessageSeen(const ListValue* args) {
 
 void NTPLoginHandler::HandleShowAdvancedLoginUI(const ListValue* args) {
   Browser* browser =
-      browser::FindBrowserWithWebContents(web_ui()->GetWebContents());
+      chrome::FindBrowserWithWebContents(web_ui()->GetWebContents());
   if (browser)
     chrome::ShowSyncSetup(browser, SyncPromoUI::SOURCE_NTP_LINK);
 }