browser: Move FindTabbedBrowser() function into chrome namespace.

chrome/browser/ui/browser_navigator.cc

Index: chrome/browser/ui/browser_navigator.cc
diff --git a/chrome/browser/ui/browser_navigator.cc b/chrome/browser/ui/browser_navigator.cc
index aa3adea12e7e905e3cf56df12a252dd5398b8c5b..a3ad3eb1cb9d254318f4f02f6d93d67510e933c0 100644
--- a/chrome/browser/ui/browser_navigator.cc
+++ b/chrome/browser/ui/browser_navigator.cc
@@ -67,8 +67,8 @@ bool WindowCanOpenTabs(Browser* browser) {
 // such Browser is located.
 Browser* GetOrCreateBrowser(Profile* profile,
                             chrome::HostDesktopType host_desktop_type) {
-  Browser* browser =
-      browser::FindTabbedBrowser(profile, false, host_desktop_type);
+  Browser* browser = chrome::FindTabbedBrowser(profile, false,
+                                               host_desktop_type);
   return browser ? browser : new Browser(
       Browser::CreateParams(profile, host_desktop_type));
 }