Remove calls of PrerenderTracker::TryCancel and TryCancelOnIOThread in ChromeResourceDispatcherHost…

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
===================================================================
--- chrome/browser/profiles/profile_io_data.h	(revision 243099)
+++ chrome/browser/profiles/profile_io_data.h	(working copy)
@@ -208,6 +208,11 @@
   // should only be called from there.
   bool GetMetricsEnabledStateOnIOThread() const;
 
+  void set_client_cert_store_factory_for_testing(
+    const base::Callback<scoped_ptr<net::ClientCertStore>()>& factory) {
+      client_cert_store_factory_ = factory;
+  }
+
  protected:
   // A URLRequestContext for media that owns its HTTP factory, to ensure
   // it is deleted.
@@ -452,6 +457,10 @@
   // Provides access to the email addresses of all signed in profiles.
   mutable scoped_ptr<SigninNamesOnIOThread> signin_names_;
 
+  // Used for testing.
+  mutable base::Callback<scoped_ptr<net::ClientCertStore>()>
+      client_cert_store_factory_;
+
   mutable StringPrefMember google_services_user_account_id_;
   mutable StringPrefMember google_services_username_;
   mutable StringPrefMember google_services_username_pattern_;