Fix namespace for src/ui/display/.

ui/display/manager/chromeos/query_content_protection_task.cc

Index: ui/display/manager/chromeos/query_content_protection_task.cc
diff --git a/ui/display/manager/chromeos/query_content_protection_task.cc b/ui/display/manager/chromeos/query_content_protection_task.cc
index f26469dd7b87898590a8096edca984cf0c4f0819..812f83549d868da0de296a40943755dacfb023ca 100644
--- a/ui/display/manager/chromeos/query_content_protection_task.cc
+++ b/ui/display/manager/chromeos/query_content_protection_task.cc
@@ -8,7 +8,7 @@
 #include "ui/display/types/display_snapshot.h"
 #include "ui/display/types/native_display_delegate.h"
 
-namespace ui {
+namespace display {
 
 QueryContentProtectionTask::QueryContentProtectionTask(
     DisplayLayoutManager* layout_manager,
@@ -83,4 +83,4 @@ void QueryContentProtectionTask::OnHDCPStateUpdate(bool success,
   callback_.Run(response_);
 }
 
-}  // namespace ui
+}  // namespace display