Move TitleWatcher from ui_test_utils.h to browser_test_utils.h so it can be reused by content_browsertests.

BUG=90448
TBR=scottmg
Review URL: https://chromiumcodereview.appspot.com/10815025

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@147618 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/external_extension_browsertest.cc b/chrome/browser/external_extension_browsertest.cc
index aabfb292..b356427 100644
--- a/chrome/browser/external_extension_browsertest.cc
+++ b/chrome/browser/external_extension_browsertest.cc
@@ -12,6 +12,7 @@
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/url_constants.h"
+#include "content/public/test/browser_test_utils.h"
 #include "net/test/test_server.h"
 
 namespace {
@@ -68,7 +69,7 @@
       const IsSearchProviderTestData& data) {
     string16 title = data.tab->GetTitle();
     if (title.empty()) {
-      ui_test_utils::TitleWatcher title_watcher(data.tab, ASCIIToUTF16("OK"));
+      content::TitleWatcher title_watcher(data.tab, ASCIIToUTF16("OK"));
       title_watcher.AlsoWaitForTitle(ASCIIToUTF16("FAIL"));
       title = title_watcher.WaitAndGetTitle();
     }