ozone: caca: Fix MouseEvent ctor & add PlatformWindow::SetWindowTitle override

ui/ozone/platform/caca/caca_window.cc

Index: ui/ozone/platform/caca/caca_window.cc
diff --git a/ui/ozone/platform/caca/caca_window.cc b/ui/ozone/platform/caca/caca_window.cc
index 0a346e419e05dec126f067d98b6c546ec15d9eef..16be1885fdcfcbfa02c23660742d77bfd30b61b0 100644
--- a/ui/ozone/platform/caca/caca_window.cc
+++ b/ui/ozone/platform/caca/caca_window.cc
@@ -7,6 +7,7 @@
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "ui/events/ozone/events_ozone.h"
 #include "ui/events/platform/platform_event_source.h"
@@ -140,6 +141,10 @@ PlatformImeController* CacaWindow::GetPlatformImeController() {
   return nullptr;
 }
 
+void CacaWindow::SetTitle(const base::string16& title) {
+  caca_set_display_title(display_.get(), UTF16ToUTF8(title).c_str());
+}
+
 bool CacaWindow::CanDispatchEvent(const PlatformEvent& event) { return true; }
 
 uint32_t CacaWindow::DispatchEvent(const PlatformEvent& ne) {