Remove last extension dependencies from content.

chrome/browser/chrome_content_browser_client.h

Index: chrome/browser/chrome_content_browser_client.h
diff --git a/chrome/browser/chrome_content_browser_client.h b/chrome/browser/chrome_content_browser_client.h
index 6021f4caa36956328d06bbc853844ae8fd8965fb..6d605b0abf03fc7dd9622542c2099609e5a5b84c 100644
--- a/chrome/browser/chrome_content_browser_client.h
+++ b/chrome/browser/chrome_content_browser_client.h
@@ -77,6 +77,10 @@ class ChromeContentBrowserClient : public content::ContentBrowserClient {
       int render_process_id,
       int render_view_id,
       int notification_id) OVERRIDE;
+  virtual bool CheckBackgroundPermission(
+      const GURL& source_url, const content::ResourceContext& context) OVERRIDE;
+  virtual std::string GetWorkerProcessTitle(
+      const GURL& url, const content::ResourceContext& context) OVERRIDE;
 #if defined(OS_POSIX) && !defined(OS_MACOSX)
   // Can return an optional fd for crash handling, otherwise returns -1.
   virtual int GetCrashSignalFD(const std::string& process_type) OVERRIDE;