Update Surface ID Terminology

cc/surfaces/surface_display_output_surface_unittest.cc

Index: cc/surfaces/surface_display_output_surface_unittest.cc
diff --git a/cc/surfaces/surface_display_output_surface_unittest.cc b/cc/surfaces/surface_display_output_surface_unittest.cc
index 27de2b972f73bcaf8bd700d3710b25888d9fec09..598a982cc8f90473e5b044fc5a4f04146ac900f6 100644
--- a/cc/surfaces/surface_display_output_surface_unittest.cc
+++ b/cc/surfaces/surface_display_output_surface_unittest.cc
@@ -25,16 +25,18 @@
 namespace cc {
 namespace {
 
+static constexpr int kArbitraryClientId = 0;
+
 class SurfaceDisplayOutputSurfaceTest : public testing::Test {
  public:
   SurfaceDisplayOutputSurfaceTest()
       : now_src_(new base::SimpleTestTickClock()),
         task_runner_(new OrderedSimpleTaskRunner(now_src_.get(), true)),
-        allocator_(0),
+        allocator_(kArbitraryClientId),
         display_size_(1920, 1080),
         display_rect_(display_size_),
         context_provider_(TestContextProvider::Create()) {
-    surface_manager_.RegisterSurfaceIdNamespace(allocator_.id_namespace());
+    surface_manager_.RegisterSurfaceClientId(allocator_.client_id());
 
     std::unique_ptr<FakeOutputSurface> display_output_surface =
         FakeOutputSurface::Create3d();
@@ -50,7 +52,7 @@ class SurfaceDisplayOutputSurfaceTest : public testing::Test {
 
     display_.reset(new Display(
         &surface_manager_, &bitmap_manager_, &gpu_memory_buffer_manager_,
-        RendererSettings(), allocator_.id_namespace(),
+        RendererSettings(), allocator_.client_id(),
         std::move(begin_frame_source), std::move(display_output_surface),
         std::move(scheduler),
         base::MakeUnique<TextureMailboxDeleter>(task_runner_.get())));