Remove offscreen compositor contexts.

cc/layers/picture_layer_impl_unittest.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/layers/picture_layer_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <utility>
@@ skipping 1808 matching lines @@
 TEST_F(DeferredInitPictureLayerImplTest,
        PreventUpdateTilePrioritiesDuringLostContext) {
   host_impl_.pending_tree()->UpdateDrawProperties();
   host_impl_.active_tree()->UpdateDrawProperties();
   EXPECT_FALSE(host_impl_.pending_tree()->needs_update_draw_properties());
   EXPECT_FALSE(host_impl_.active_tree()->needs_update_draw_properties());
 
   FakeOutputSurface* fake_output_surface =
       static_cast<FakeOutputSurface*>(host_impl_.output_surface());
   ASSERT_TRUE(fake_output_surface->InitializeAndSetContext3d(
-      TestContextProvider::Create(), NULL));
+      TestContextProvider::Create()));
 
   // These will crash PictureLayerImpl if this is not true.
   ASSERT_TRUE(host_impl_.pending_tree()->needs_update_draw_properties());
   ASSERT_TRUE(host_impl_.active_tree()->needs_update_draw_properties());
   host_impl_.active_tree()->UpdateDrawProperties();
 }
 
 TEST_F(PictureLayerImplTest, HighResTilingDuringAnimationForCpuRasterization) {
   gfx::Size tile_size(host_impl_.settings().default_tile_size);
   SetupDefaultTrees(tile_size);
@@ skipping 434 matching lines @@
         occluded,
         &partially_occluded_count);
     // The layer outputs one quad, which is partially occluded.
     EXPECT_EQ(100u - 10u, impl.quad_list().size());
     EXPECT_EQ(10u + 10u, partially_occluded_count);
   }
 }
 
 }  // namespace
 }  // namespace cc