Fix namespace for src/ui/display/.

ui/display/manager/chromeos/query_content_protection_task.h

Index: ui/display/manager/chromeos/query_content_protection_task.h
diff --git a/ui/display/manager/chromeos/query_content_protection_task.h b/ui/display/manager/chromeos/query_content_protection_task.h
index 0d4b0b17f5331104f2eb017de0ba9ae8c105475c..cc4db60083b747541f8b56beb85f391f85401a1f 100644
--- a/ui/display/manager/chromeos/query_content_protection_task.h
+++ b/ui/display/manager/chromeos/query_content_protection_task.h
@@ -14,7 +14,7 @@
 #include "ui/display/manager/display_manager_export.h"
 #include "ui/display/types/display_constants.h"
 
-namespace ui {
+namespace display {
 
 class DisplayLayoutManager;
 class NativeDisplayDelegate;
@@ -63,6 +63,6 @@ class DISPLAY_MANAGER_EXPORT QueryContentProtectionTask {
   DISALLOW_COPY_AND_ASSIGN(QueryContentProtectionTask);
 };
 
-}  // namespace ui
+}  // namespace display
 
 #endif  // UI_DISPLAY_MANAGER_CHROMEOS_QUERY_CONTENT_PROTECTION_TASK_H_