Tracks changes to zoom icon and zoom percentage. Notifies browser window if the icon should be chan…

chrome/browser/ui/tab_contents/tab_contents_wrapper.cc

Index: chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
index f299f71821bb17a14c41cc96813f927482d58dbc..a45eab7612eb2911931a3ba656dd4eb081629473 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
@@ -45,6 +45,7 @@
 #include "chrome/browser/ui/sync/one_click_signin_helper.h"
 #include "chrome/browser/ui/sync/tab_contents_wrapper_synced_tab_delegate.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
+#include "chrome/browser/ui/zoom/zoom_tab_helper.h"
 #include "chrome/browser/view_type_utils.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/web_contents.h"
@@ -111,6 +112,7 @@ TabContentsWrapper::TabContentsWrapper(WebContents* contents)
   content_settings_.reset(new TabSpecificContentSettings(contents));
   translate_tab_helper_.reset(new TranslateTabHelper(contents));
   web_intent_picker_controller_.reset(new WebIntentPickerController(this));
+  zoom_tab_helper_.reset(new ZoomTabHelper(this));
 
 #if !defined(OS_ANDROID)
   print_view_manager_.reset(new printing::PrintViewManager(this));