Update from https://crrev.com/303153

cc/resources/picture_pile_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 <map>
 #include <utility>
 
 #include "cc/resources/picture_pile.h"
 #include "cc/test/fake_content_layer_client.h"
 #include "cc/test/fake_rendering_stats_instrumentation.h"
@@ skipping 1438 matching lines @@
   // Add a rect that doesn't cover the viewport completely, the solid state
   // will be false.
   gfx::Rect smallRect = visible_rect;
   smallRect.Inset(10, 10, 10, 10);
   client_.add_draw_rect(smallRect, paint);
   Region invalidation(visible_rect);
   UpdateAndExpandInvalidation(&invalidation, tiling_size, visible_rect);
   EXPECT_FALSE(pile_.is_solid_color());
 }
 
+TEST_F(PicturePileTest, SetEmptyBounds) {
+  EXPECT_TRUE(pile_.is_solid_color());
+  EXPECT_FALSE(pile_.tiling_size().IsEmpty());
+  EXPECT_FALSE(pile_.picture_map().empty());
+  EXPECT_TRUE(pile_.HasRecordings());
+  pile_.SetEmptyBounds();
+  EXPECT_FALSE(pile_.is_solid_color());
+  EXPECT_TRUE(pile_.tiling_size().IsEmpty());
+  EXPECT_TRUE(pile_.picture_map().empty());
+  EXPECT_FALSE(pile_.HasRecordings());
+}
+
 }  // namespace
 }  // namespace cc