tests: Format with clang-tidy (see #3632)

tests/cefclient/browser/media_router_test.cc

@@ -12,8 +12,7 @@
 #include "include/cef_parser.h"
 #include "tests/cefclient/browser/test_runner.h"
 
-namespace client {
-namespace media_router_test {
+namespace client::media_router_test {
 
 namespace {
 
@@ -93,10 +92,7 @@ class MediaObserver : public CefMediaObserver {
   MediaObserver(CefRefPtr<CefMediaRouter> media_router,
                 CefRefPtr<CallbackType> subscription_callback)
       : media_router_(media_router),
-        subscription_callback_(subscription_callback),
-        next_sink_query_id_(0),
-        pending_sink_query_id_(-1),
-        pending_sink_callbacks_(0U) {}
+        subscription_callback_(subscription_callback) {}
 
   ~MediaObserver() override { ClearSinkInfoMap(); }
 
@@ -351,12 +347,12 @@ class MediaObserver : public CefMediaObserver {
 
   // Used to uniquely identify a call to OnSinks(), for the purpose of
   // associating OnMediaSinkDeviceInfo() callbacks.
-  int next_sink_query_id_;
+  int next_sink_query_id_ = 0;
 
   // State from the most recent call to OnSinks().
   SinkInfoMap sink_info_map_;
-  int pending_sink_query_id_;
-  size_t pending_sink_callbacks_;
+  int pending_sink_query_id_ = -1;
+  size_t pending_sink_callbacks_ = 0U;
 
   // State from the most recent call to OnRoutes().
   typedef std::map<std::string, CefRefPtr<CefMediaRoute>> RouteMap;
@@ -373,7 +369,7 @@ class Handler : public CefMessageRouterBrowserSide::Handler {
 
   Handler() { CEF_REQUIRE_UI_THREAD(); }
 
-  virtual ~Handler() {
+  ~Handler() override {
     SubscriptionStateMap::iterator it = subscription_state_map_.begin();
     for (; it != subscription_state_map_.end(); ++it) {
       delete it->second;
@@ -598,5 +594,4 @@ void CreateMessageHandlers(test_runner::MessageHandlerSet& handlers) {
   handlers.insert(new Handler());
 }
 
-}  // namespace media_router_test
-}  // namespace client
+}  // namespace client::media_router_test