browser: Move FindTabbedBrowser() function into chrome namespace.

chrome/browser/extensions/api/tabs/tabs.cc

Index: chrome/browser/extensions/api/tabs/tabs.cc
diff --git a/chrome/browser/extensions/api/tabs/tabs.cc b/chrome/browser/extensions/api/tabs/tabs.cc
index 70c976dfbfd336b196ff771a7c869c9104a945f7..342b6307572382bdbc0a34901e6344c6a771eb88 100644
--- a/chrome/browser/extensions/api/tabs/tabs.cc
+++ b/chrome/browser/extensions/api/tabs/tabs.cc
@@ -237,8 +237,8 @@ Browser* CreateBrowserWindow(const Browser::CreateParams& params,
   if (use_existing_browser_window)
     // The false parameter passed below is to ensure that we find a browser
     // object matching the profile passed in, instead of the original profile
-    new_window = browser::FindTabbedBrowser(
-        profile, false, params.host_desktop_type);
+    new_window = chrome::FindTabbedBrowser(profile, false,
+                                           params.host_desktop_type);
 
   if (!new_window)
     new_window = new Browser(params);
@@ -999,8 +999,8 @@ bool CreateTabFunction::RunImpl() {
 
   // Ensure the selected browser is tabbed.
   if (!browser->is_type_tabbed() && browser->IsAttemptingToCloseBrowser())
-    browser = browser::FindTabbedBrowser(profile(), include_incognito(),
-                                         browser->host_desktop_type());
+    browser = chrome::FindTabbedBrowser(profile(), include_incognito(),
+                                        browser->host_desktop_type());
 
   if (!browser || !browser->window())
     return false;
@@ -1068,7 +1068,7 @@ bool CreateTabFunction::RunImpl() {
     Profile* profile = browser->profile()->GetOriginalProfile();
     chrome::HostDesktopType desktop_type = browser->host_desktop_type();
 
-    browser = browser::FindTabbedBrowser(profile, false, desktop_type);
+    browser = chrome::FindTabbedBrowser(profile, false, desktop_type);
     if (!browser) {
       browser = new Browser(Browser::CreateParams(Browser::TYPE_TABBED,
                                                   profile, desktop_type));