[WIP] cc: Plumb SurfaceId from clients

cc/surfaces/display_unittest.cc

 // Copyright 2015 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/surfaces/display.h"
 
 #include <utility>
 
 #include "base/test/null_task_runner.h"
 #include "cc/output/compositor_frame.h"
@@ skipping 78 matching lines @@
 
   bool damaged;
   bool display_resized_;
   bool has_new_root_surface;
   bool swapped;
 };
 
 class DisplayTest : public testing::Test {
  public:
   DisplayTest()
-      : factory_(&manager_, &surface_factory_client_),
+      : factory_(kArbitraryClientId, &manager_, &surface_factory_client_),
         id_allocator_(kArbitraryClientId),
-        task_runner_(new base::NullTaskRunner) {
-    id_allocator_.RegisterSurfaceClientId(&manager_);
-  }
+        task_runner_(new base::NullTaskRunner) {}
 
   void SetUpDisplay(const RendererSettings& settings,
                     std::unique_ptr<TestWebGraphicsContext3D> context) {
     std::unique_ptr<BeginFrameSource> begin_frame_source(
         new StubBeginFrameSource);
 
     std::unique_ptr<FakeOutputSurface> output_surface;
     if (context) {
       output_surface = FakeOutputSurface::Create3d(std::move(context));
     } else {
@@ skipping 373 matching lines @@
 
   EXPECT_CALL(*context_ptr, shallowFinishCHROMIUM());
   display_->Resize(gfx::Size(250, 250));
   testing::Mock::VerifyAndClearExpectations(context_ptr);
 
   factory_.Destroy(surface_id);
 }
 
 }  // namespace
 }  // namespace cc