Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/browser/indexed_db/indexed_db_quota_client_unittest.cc

Index: content/browser/indexed_db/indexed_db_quota_client_unittest.cc
diff --git a/content/browser/indexed_db/indexed_db_quota_client_unittest.cc b/content/browser/indexed_db/indexed_db_quota_client_unittest.cc
index 0873ff97b8035915dc85ff03d4ff00c896ebc5fd..9ec3951e5b2055f8ca7615b076abec2c9ad8d3cd 100644
--- a/content/browser/indexed_db/indexed_db_quota_client_unittest.cc
+++ b/content/browser/indexed_db/indexed_db_quota_client_unittest.cc
@@ -47,15 +47,15 @@ class IndexedDBQuotaClientTest : public testing::Test {
         new quota::MockQuotaManager(
             false /*in_memory*/,
             browser_context_->GetPath(),
-            base::MessageLoop::current()->message_loop_proxy(),
-            base::MessageLoop::current()->message_loop_proxy(),
+            base::MessageLoop::current()->message_loop_proxy().get(),
+            base::MessageLoop::current()->message_loop_proxy().get(),
             browser_context_->GetSpecialStoragePolicy());
 
     idb_context_ =
         new IndexedDBContextImpl(browser_context_->GetPath(),
                                  browser_context_->GetSpecialStoragePolicy(),
                                  quota_manager->proxy(),
-                                 task_runner_);
+                                 task_runner_.get());
     base::MessageLoop::current()->RunUntilIdle();
     setup_temp_dir();
   }