cc: Remove the lie of "DirectRenderer" in LayerTreeTests.

cc/test/layer_tree_pixel_test.cc

 // Copyright 2013 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/layer_tree_pixel_test.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/command_line.h"
@@ skipping 171 matching lines @@
 }
 
 void LayerTreePixelTest::RunPixelTest(
     PixelTestType test_type,
     scoped_refptr<Layer> content_root,
     base::FilePath file_name) {
   test_type_ = test_type;
   content_root_ = content_root;
   readback_target_ = NULL;
   ref_file_ = file_name;
-  RunTest(CompositorMode::THREADED, false);
+  RunTest(CompositorMode::THREADED);
 }
 
 void LayerTreePixelTest::RunSingleThreadedPixelTest(
     PixelTestType test_type,
     scoped_refptr<Layer> content_root,
     base::FilePath file_name) {
   test_type_ = test_type;
   content_root_ = content_root;
   readback_target_ = NULL;
   ref_file_ = file_name;
-  RunTest(CompositorMode::SINGLE_THREADED, false);
+  RunTest(CompositorMode::SINGLE_THREADED);
 }
 
 void LayerTreePixelTest::RunPixelTestWithReadbackTarget(
     PixelTestType test_type,
     scoped_refptr<Layer> content_root,
     Layer* target,
     base::FilePath file_name) {
   test_type_ = test_type;
   content_root_ = content_root;
   readback_target_ = target;
   ref_file_ = file_name;
-  RunTest(CompositorMode::THREADED, false);
+  RunTest(CompositorMode::THREADED);
 }
 
 void LayerTreePixelTest::SetupTree() {
   scoped_refptr<Layer> root = Layer::Create();
   root->SetBounds(content_root_->bounds());
   root->AddChild(content_root_);
   layer_tree_host()->SetRootLayer(root);
   LayerTreeTest::SetupTree();
 }
 
@@ skipping 64 matching lines @@
 }
 
 void LayerTreePixelTest::Finish() {
   std::unique_ptr<gpu::GLInProcessContext> context =
       CreateTestInProcessContext();
   GLES2Interface* gl = context->GetImplementation();
   gl->Finish();
 }
 
 }  // namespace cc