Moved ExtensionTabHelper into extensions namespace; rename it to TabHelper.

BUG=134721, 117261


Review URL: https://chromiumcodereview.appspot.com/10663043

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146877 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 0a36a46f..5998ad38 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -52,7 +52,7 @@
 #include "chrome/browser/extensions/default_apps_trial.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_tab_helper.h"
+#include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/first_run/first_run.h"