[Ozone] Fix build

ui/ozone/platform/dri/dri_surface_unittest.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 "base/message_loop/message_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "ui/ozone/platform/dri/crtc_controller.h"
@@ skipping 85 matching lines @@
   EXPECT_EQ(3u, drm_->current_framebuffer());
   surface_->PresentCanvas(gfx::Rect());
   EXPECT_EQ(2u, drm_->current_framebuffer());
 }
 
 TEST_F(DriSurfaceTest, CheckSurfaceContents) {
   SkPaint paint;
   paint.setColor(SK_ColorWHITE);
   SkRect rect = SkRect::MakeWH(kDefaultMode.hdisplay / 2,
                                kDefaultMode.vdisplay / 2);
-  surface_->GetCanvas()->drawRect(rect, paint);
+  surface_->GetSurface()->getCanvas()->drawRect(rect, paint);
   surface_->PresentCanvas(
       gfx::Rect(0, 0, kDefaultMode.hdisplay / 2, kDefaultMode.vdisplay / 2));
 
   SkBitmap image;
   // Buffer 0 is the buffer used in SetUp for modesetting and buffer 1 is the
   // frontbuffer.
   // Buffer 2 is the backbuffer we just painted in, so we want to make sure its
   // contents are correct.
   image.setInfo(drm_->buffers()[2]->getCanvas()->imageInfo());
   EXPECT_TRUE(drm_->buffers()[2]->getCanvas()->readPixels(&image, 0, 0));
 
   EXPECT_EQ(kDefaultMode.hdisplay, image.width());
   EXPECT_EQ(kDefaultMode.vdisplay, image.height());
 
   // Make sure the updates are correctly propagated to the native surface.
   for (int i = 0; i < image.height(); ++i) {
     for (int j = 0; j < image.width(); ++j) {
       if (j < kDefaultMode.hdisplay / 2 && i < kDefaultMode.vdisplay / 2)
         EXPECT_EQ(SK_ColorWHITE, image.getColor(j, i));
       else
         EXPECT_EQ(SK_ColorBLACK, image.getColor(j, i));
     }
   }
 }