Introducing gpu::CommandBufferId as a distinct, IdType<...>-based type.

cc/test/render_pass_test_utils.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/test/render_pass_test_utils.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "cc/quads/debug_border_draw_quad.h"
@@ skipping 141 matching lines @@
 void AddOneOfEveryQuadType(RenderPass* to_pass,
                            ResourceProvider* resource_provider,
                            RenderPassId child_pass,
                            gpu::SyncToken* sync_token_for_mailbox_tebxture) {
   gfx::Rect rect(0, 0, 100, 100);
   gfx::Rect opaque_rect(10, 10, 80, 80);
   gfx::Rect visible_rect(0, 0, 100, 100);
   const float vertex_opacity[] = {1.0f, 1.0f, 1.0f, 1.0f};
 
   static const gpu::SyncToken kSyncTokenForMailboxTextureQuad(
-      gpu::CommandBufferNamespace::GPU_IO, 0, 0x123, 30);
+      gpu::CommandBufferNamespace::GPU_IO, 0,
+      gpu::CommandBufferId::FromUnsafeValue(0x123), 30);
   *sync_token_for_mailbox_tebxture = kSyncTokenForMailboxTextureQuad;
 
   ResourceId resource1 = resource_provider->CreateResource(
       gfx::Size(45, 5), ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource1);
   ResourceId resource2 = resource_provider->CreateResource(
       gfx::Size(346, 61), ResourceProvider::TEXTURE_HINT_IMMUTABLE,
       resource_provider->best_texture_format());
   resource_provider->AllocateForTesting(resource2);
@@ skipping 122 matching lines @@
       to_pass->CreateAndAppendDrawQuad<YUVVideoDrawQuad>();
   yuv_quad->SetNew(shared_state2, rect, opaque_rect, visible_rect,
                    gfx::RectF(.0f, .0f, 100.0f, 100.0f),
                    gfx::RectF(.0f, .0f, 50.0f, 50.0f), gfx::Size(100, 100),
                    gfx::Size(50, 50), plane_resources[0], plane_resources[1],
                    plane_resources[2], plane_resources[3], color_space, 0.0,
                    1.0);
 }
 
 }  // namespace cc