Update chrome/ to use WeakPtr<T>::get() instead of implicit "operator T*"

chrome/browser/signin/oauth2_token_service.cc

Index: chrome/browser/signin/oauth2_token_service.cc
diff --git a/chrome/browser/signin/oauth2_token_service.cc b/chrome/browser/signin/oauth2_token_service.cc
index 9c638e4c0fa767d9f1ebb6182ea7f941638a3d70..e21911d00ffee39bea0bd97305fe4fb9eb5c1837 100644
--- a/chrome/browser/signin/oauth2_token_service.cc
+++ b/chrome/browser/signin/oauth2_token_service.cc
@@ -255,7 +255,7 @@ void OAuth2TokenService::Fetcher::InformWaitingRequests() {
       waiting_requests_.begin();
   for (; iter != waiting_requests_.end(); ++iter) {
     base::WeakPtr<RequestImpl> waiting_request = *iter;
-    if (waiting_request)
+    if (waiting_request.get())
       waiting_request->InformConsumer(error_, access_token_, expiration_date_);
   }
   waiting_requests_.clear();