Change namespace from ui to gfx for NativePixmap related code

ui/ozone/demo/surfaceless_gl_renderer.cc

 // Copyright 2014 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/demo/surfaceless_gl_renderer.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 23 matching lines @@
   }
 }
 
 bool SurfacelessGlRenderer::BufferWrapper::Initialize(
     gfx::AcceleratedWidget widget,
     const gfx::Size& size) {
   glGenFramebuffersEXT(1, &gl_fb_);
   glGenTextures(1, &gl_tex_);
 
   gfx::BufferFormat format = display::DisplaySnapshot::PrimaryFormat();
-  scoped_refptr<NativePixmap> pixmap =
+  scoped_refptr<gfx::NativePixmap> pixmap =
       OzonePlatform::GetInstance()
           ->GetSurfaceFactoryOzone()
           ->CreateNativePixmap(widget, size, format, gfx::BufferUsage::SCANOUT);
-  scoped_refptr<ui::GLImageNativePixmap> image(
-      new ui::GLImageNativePixmap(size, GL_RGB));
+  scoped_refptr<gl::GLImageNativePixmap> image(
+      new gl::GLImageNativePixmap(size, GL_RGB));
   if (!image->Initialize(pixmap.get(), format)) {
     LOG(ERROR) << "Failed to create GLImage";
     return false;
   }
   image_ = image;
 
   glBindFramebufferEXT(GL_FRAMEBUFFER, gl_fb_);
   glBindTexture(GL_TEXTURE_2D, gl_tex_);
   image_->BindTexImage(GL_TEXTURE_2D);
 
@@ skipping 96 matching lines @@
     case gfx::SwapResult::SWAP_ACK:
       GlRenderer::PostRenderFrameTask(result);
       break;
     case gfx::SwapResult::SWAP_FAILED:
       LOG(FATAL) << "Failed to swap buffers";
       break;
   }
 }
 
 }  // namespace ui