cc: Get rid of non-delegated rendering in most cc unit tests.

cc/trees/tree_synchronizer_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/trees/tree_synchronizer.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 124 matching lines @@
 
     if (layer_clip_parent) {
       const std::set<Layer*>* clip_children =
           layer_clip_parent->clip_children();
       ASSERT_TRUE(clip_children->find(layer) != clip_children->end());
     }
   }
 }
 
 class TreeSynchronizerTest : public testing::Test {
- public:
+ protected:
   TreeSynchronizerTest()
-      : client_(FakeLayerTreeHostClient::DIRECT_3D),
-        host_(FakeLayerTreeHost::Create(&client_, &task_graph_runner_)) {}
-
- protected:
-  FakeLayerTreeHostClient client_;
-  TestTaskGraphRunner task_graph_runner_;
-  std::unique_ptr<FakeLayerTreeHost> host_;
+      : host_(FakeLayerTreeHost::Create(&client_, &task_graph_runner_)) {}
 
   bool is_equal(ScrollTree::ScrollOffsetMap map,
                 ScrollTree::ScrollOffsetMap other) {
     if (map.size() != other.size())
       return false;
     for (auto& map_entry : map) {
       if (other.find(map_entry.first) == other.end())
         return false;
       SyncedScrollOffset& from_map = *map_entry.second.get();
       SyncedScrollOffset& from_other = *other[map_entry.first].get();
       if (from_map.PendingBase() != from_other.PendingBase() ||
           from_map.ActiveBase() != from_other.ActiveBase() ||
           from_map.Delta() != from_other.Delta() ||
           from_map.PendingDelta().get() != from_other.PendingDelta().get())
         return false;
     }
     return true;
   }
+
+  FakeLayerTreeHostClient client_;
+  TestTaskGraphRunner task_graph_runner_;
+  std::unique_ptr<FakeLayerTreeHost> host_;
 };
 
 // Attempts to synchronizes a null tree. This should not crash, and should
 // return a null tree.
 TEST_F(TreeSynchronizerTest, SyncNullTree) {
   TreeSynchronizer::SynchronizeTrees(static_cast<Layer*>(NULL),
                                      host_->active_tree());
   EXPECT_TRUE(!host_->active_tree()->root_layer_for_testing());
 }
 
@@ skipping 517 matching lines @@
   host_->CommitAndCreatePendingTree();
   host_impl->ActivateSyncTree();
   EXPECT_EQ(
       CombinedAnimationScale(0.f, 0.f),
       host_impl->active_tree()->property_trees()->GetAnimationScales(
           transform_layer->transform_tree_index(), host_impl->active_tree()));
 }
 
 }  // namespace
 }  // namespace cc