Fix namespace for src/ui/display/.

ui/ozone/platform/cast/ozone_platform_cast.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/ozone/platform/cast/ozone_platform_cast.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 57 matching lines @@
   }
   std::unique_ptr<SystemInputInjector> CreateSystemInputInjector() override {
     return nullptr;  // no input injection support
   }
   std::unique_ptr<PlatformWindow> CreatePlatformWindow(
       PlatformWindowDelegate* delegate,
       const gfx::Rect& bounds) override {
     return base::WrapUnique<PlatformWindow>(
         new PlatformWindowCast(delegate, bounds));
   }
-  std::unique_ptr<NativeDisplayDelegate> CreateNativeDisplayDelegate()
+  std::unique_ptr<display::NativeDisplayDelegate> CreateNativeDisplayDelegate()
       override {
     NOTREACHED();
     return nullptr;
   }
 
   void InitializeUI() override {
     overlay_manager_.reset(new OverlayManagerCast());
     cursor_factory_.reset(new CursorFactoryOzone());
     input_controller_ = CreateStubInputController();
     gpu_platform_support_host_.reset(CreateStubGpuPlatformSupportHost());
@@ skipping 29 matching lines @@
 
 OzonePlatform* CreateOzonePlatformCast() {
   const std::vector<std::string>& argv =
       base::CommandLine::ForCurrentProcess()->argv();
   std::unique_ptr<chromecast::CastEglPlatform> platform(
       chromecast::CastEglPlatformShlib::Create(argv));
   return new OzonePlatformCast(std::move(platform));
 }
 
 }  // namespace ui