Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

content/browser/indexed_db/indexed_db_backing_store_unittest.cc

Index: content/browser/indexed_db/indexed_db_backing_store_unittest.cc
diff --git a/content/browser/indexed_db/indexed_db_backing_store_unittest.cc b/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
index 8058b2f2973c995cfc6ed3331dc4adb122d48c81..f283a21f6d26c98f408a025e2f28b47a00f5ac7c 100644
--- a/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
+++ b/content/browser/indexed_db/indexed_db_backing_store_unittest.cc
@@ -418,13 +418,13 @@ TEST(IndexedDBFactoryTest, RejectLongOrigins)
           std::string("http://" + origin + ":81/").c_str()));
   scoped_refptr<IndexedDBBackingStore> diskStore1 =
       factory->TestOpenBackingStore(too_long_origin, base_path);
-  EXPECT_FALSE(diskStore1);
+  EXPECT_FALSE(diskStore1.get());
 
   WebSecurityOrigin ok_origin =
       WebSecurityOrigin::createFromString("http://someorigin.com:82/");
   scoped_refptr<IndexedDBBackingStore> diskStore2 =
       factory->TestOpenBackingStore(ok_origin, base_path);
-  EXPECT_TRUE(diskStore2);
+  EXPECT_TRUE(diskStore2.get());
 }
 
 }  // namespace