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

gpu/command_buffer/service/query_manager.cc

Index: gpu/command_buffer/service/query_manager.cc
diff --git a/gpu/command_buffer/service/query_manager.cc b/gpu/command_buffer/service/query_manager.cc
index 8d85cffc033134d236bd14da66b26b35d7a47c16..5b06630db7dd71a4822adbb36ca622b272f88f42 100644
--- a/gpu/command_buffer/service/query_manager.cc
+++ b/gpu/command_buffer/service/query_manager.cc
@@ -366,7 +366,7 @@ QueryManager::Query* QueryManager::CreateQuery(
 QueryManager::Query* QueryManager::GetQuery(
     GLuint client_id) {
   QueryMap::iterator it = queries_.find(client_id);
-  return it != queries_.end() ? it->second : NULL;
+  return it != queries_.end() ? it->second.get() : NULL;
 }
 
 void QueryManager::RemoveQuery(GLuint client_id) {