Refactor UI "badge" (page action) logic into a BadgeController interface.

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 2d4dca2b1cb327514d521edf15f78d02c4fcf680..a6684330a21478c904e8cd74db832f94641ebdee 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents_wrapper.cc
@@ -14,6 +14,7 @@
 #include "chrome/browser/download/download_request_limiter_observer.h"
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
+#include "chrome/browser/extensions/page_action_controller.h"
 #include "chrome/browser/extensions/script_executor_impl.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
@@ -96,6 +97,8 @@ TabContentsWrapper::TabContentsWrapper(WebContents* contents)
   extension_tab_helper_.reset(new ExtensionTabHelper(this));
   extension_script_executor_.reset(
       new extensions::ScriptExecutorImpl(web_contents()));
+  extension_action_box_controller_.reset(
+      new extensions::PageActionController(this));
   favicon_tab_helper_.reset(new FaviconTabHelper(contents));
   find_tab_helper_.reset(new FindTabHelper(contents));
   history_tab_helper_.reset(new HistoryTabHelper(contents));