Reusing base::IdType<...> to implement SurfaceId.

cc/quads/draw_quad_unittest.cc

 // Copyright 2012 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 "cc/quads/draw_quad.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 489 matching lines @@
   CREATE_QUAD_3_ALL(StreamVideoDrawQuad, resource_id, resource_size_in_pixels,
                     matrix);
   EXPECT_EQ(DrawQuad::STREAM_VIDEO_CONTENT, copy_quad->material);
   EXPECT_EQ(resource_id, copy_quad->resource_id());
   EXPECT_EQ(resource_size_in_pixels, copy_quad->resource_size_in_pixels());
   EXPECT_EQ(matrix, copy_quad->matrix);
 }
 
 TEST(DrawQuadTest, CopySurfaceDrawQuad) {
   gfx::Rect visible_rect(40, 50, 30, 20);
-  SurfaceId surface_id(1234);
+  SurfaceId surface_id = SurfaceId::FromUnsafeValue(1234);
   CREATE_SHARED_STATE();
 
   CREATE_QUAD_2_NEW(SurfaceDrawQuad, visible_rect, surface_id);
   EXPECT_EQ(DrawQuad::SURFACE_CONTENT, copy_quad->material);
   EXPECT_EQ(visible_rect, copy_quad->visible_rect);
   EXPECT_EQ(surface_id, copy_quad->surface_id);
 
   CREATE_QUAD_1_ALL(SurfaceDrawQuad, surface_id);
   EXPECT_EQ(DrawQuad::SURFACE_CONTENT, copy_quad->material);
   EXPECT_EQ(surface_id, copy_quad->surface_id);
@@ skipping 279 matching lines @@
   CREATE_QUAD_5_NEW(StreamVideoDrawQuad, opaque_rect, visible_rect, resource_id,
                     resource_size_in_pixels, matrix);
   EXPECT_EQ(resource_id, quad_new->resource_id());
   EXPECT_EQ(resource_size_in_pixels, quad_new->resource_size_in_pixels());
   EXPECT_EQ(1, IterateAndCount(quad_new));
   EXPECT_EQ(resource_id + 1, quad_new->resource_id());
 }
 
 TEST_F(DrawQuadIteratorTest, SurfaceDrawQuad) {
   gfx::Rect visible_rect(40, 50, 30, 20);
-  SurfaceId surface_id(4321);
+  SurfaceId surface_id = SurfaceId::FromUnsafeValue(4321);
 
   CREATE_SHARED_STATE();
   CREATE_QUAD_2_NEW(SurfaceDrawQuad, visible_rect, surface_id);
   EXPECT_EQ(0, IterateAndCount(quad_new));
 }
 
 TEST_F(DrawQuadIteratorTest, TextureDrawQuad) {
   gfx::Rect opaque_rect(33, 47, 10, 12);
   gfx::Rect visible_rect(40, 50, 30, 20);
   unsigned resource_id = 82;
@@ skipping 175 matching lines @@
         LOG(ERROR) << "YUVVideoDrawQuad " << sizeof(YUVVideoDrawQuad);
         break;
       case DrawQuad::INVALID:
         break;
     }
   }
 }
 
 }  // namespace
 }  // namespace cc