android webview: allow cc to fail hardware draw

cc/trees/layer_tree_host_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/layer_tree_host.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/location.h"
@@ skipping 2468 matching lines @@
   void AfterTest() override {}
 
  private:
   FakeContentLayerClient client_;
   scoped_refptr<Layer> root_layer_;
   scoped_refptr<Layer> parent_layer_;
   scoped_refptr<Layer> child_layer_;
   int swap_count_;
 };
 
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestResourcelessSoftwareDraw);
+MULTI_THREAD_TEST_F(LayerTreeHostTestResourcelessSoftwareDraw);

[danakj, 2015/10/22 18:49:23]

Leave a comment why this can't/shouldn't test single thread

[boliu, 2015/10/22 21:50:08]

Done.

 
 // Test for UI Resource management.
 class LayerTreeHostTestUIResource : public LayerTreeHostTest {
  public:
   LayerTreeHostTestUIResource() : num_ui_resources_(0) {}
 
   void InitializeSettings(LayerTreeSettings* settings) override {
     settings->renderer_settings.texture_id_allocation_chunk_size = 1;
   }
 
@@ skipping 3875 matching lines @@
     EndTest();
   }
 
   void AfterTest() override {}
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestDestroyWhileInitializingOutputSurface);
 
 }  // namespace
 }  // namespace cc