Fix namespace for src/ui/display/.

ui/display/manager/chromeos/apply_content_protection_task_unittest.cc

Index: ui/display/manager/chromeos/apply_content_protection_task_unittest.cc
diff --git a/ui/display/manager/chromeos/apply_content_protection_task_unittest.cc b/ui/display/manager/chromeos/apply_content_protection_task_unittest.cc
index 90d47dc540d1e14d920fa021f81c15de2bd693cb..1dabd3b0f010fc1a5d2981c2c6725ca48363c004 100644
--- a/ui/display/manager/chromeos/apply_content_protection_task_unittest.cc
+++ b/ui/display/manager/chromeos/apply_content_protection_task_unittest.cc
@@ -16,7 +16,7 @@
 #include "ui/display/manager/chromeos/test/test_display_layout_manager.h"
 #include "ui/display/manager/chromeos/test/test_native_display_delegate.h"
 
-namespace ui {
+namespace display {
 namespace test {
 
 namespace {
@@ -24,7 +24,7 @@ namespace {
 std::unique_ptr<DisplaySnapshot> CreateDisplaySnapshot(
     int64_t id,
     DisplayConnectionType type) {
-  return display::FakeDisplaySnapshot::Builder()
+  return FakeDisplaySnapshot::Builder()
       .SetId(id)
       .SetNativeMode(gfx::Size(1024, 768))
       .SetType(type)
@@ -179,4 +179,4 @@ TEST_F(ApplyContentProtectionTaskTest, ApplyNoopProtection) {
 }
 
 }  // namespace test
-}  // namespace ui
+}  // namespace display