[tidy] Check modernize-pass-by-value

Ref: http://clang.llvm.org/extra/clang-tidy/checks/modernize-pass-by-value.html

1 files changed, 4 insertions, 4 deletions

diff --git a/src/mbgl/util/stopwatch.cpp b/src/mbgl/util/stopwatch.cpp
index bbc6bfba0c..8cf0f7fd22 100644
--- a/src/mbgl/util/stopwatch.cpp
+++ b/src/mbgl/util/stopwatch.cpp
@@ -15,11 +15,11 @@ stopwatch::stopwatch(Event event_)
 stopwatch::stopwatch(EventSeverity severity_, Event event_)
     : severity(severity_), event(event_), start(Clock::now()) {}
 
-stopwatch::stopwatch(const std::string &name_, Event event_)
-    : name(name_), event(event_), start(Clock::now()) {}
+stopwatch::stopwatch(std::string name_, Event event_)
+    : name(std::move(name_)), event(event_), start(Clock::now()) {}
 
-stopwatch::stopwatch(const std::string &name_, EventSeverity severity_, Event event_)
-    : name(name_), severity(severity_), event(event_), start(Clock::now()) {}
+stopwatch::stopwatch(std::string name_, EventSeverity severity_, Event event_)
+    : name(std::move(name_)), severity(severity_), event(event_), start(Clock::now()) {}
 
 void stopwatch::report(const std::string &name_) {
     Duration duration = Clock::now() - start;