cc: Introduce CompositorMode enum.

cc/layers/layer_unittest.cc

 // Copyright 2011 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/layers/layer.h"
 
 #include "base/thread_task_runner_handle.h"
 #include "cc/animation/keyframed_animation_curve.h"
 #include "cc/base/math_util.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 29 matching lines @@
     Mock::VerifyAndClearExpectations(layer_tree_host_.get());               \
   } while (false)
 
 namespace cc {
 namespace {
 
 class MockLayerTreeHost : public LayerTreeHost {
  public:
   MockLayerTreeHost(LayerTreeHostSingleThreadClient* single_thread_client,
                     LayerTreeHost::InitParams* params)
-      : LayerTreeHost(params) {
+      : LayerTreeHost(params, CompositorMode::SingleThreaded) {
     InitializeSingleThreaded(single_thread_client,
                              base::ThreadTaskRunnerHandle::Get(), nullptr);
   }
 
   MOCK_METHOD0(SetNeedsCommit, void());
   MOCK_METHOD0(SetNeedsUpdateLayers, void());
   MOCK_METHOD0(SetNeedsFullTreeSync, void());
 };
 
 class LayerTest : public testing::Test {
@@ skipping 1638 matching lines @@
 
   properties.set_needs_push_properties(true);
   properties.mutable_base();
   layer->FromLayerPropertiesProto(properties);
   EXPECT_TRUE(layer->needs_push_properties());
   EXPECT_FALSE(layer->descendant_needs_push_properties());
 }
 
 }  // namespace
 }  // namespace cc