Update from chromium https://crrev.com/302282

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 1414 matching lines @@
   client_.add_draw_rect(tiling_rect(), paint);
   client_.add_draw_rect(tiling_rect(), paint);
   client_.add_draw_rect(tiling_rect(), paint);
   client_.add_draw_rect(tiling_rect(), paint);
   client_.add_draw_rect(tiling_rect(), paint);
   Region invalidation5(tiling_rect());
   UpdateAndExpandInvalidation(&invalidation5, tiling_size(), tiling_rect());
   EXPECT_FALSE(pile_.is_solid_color());
 }
 
+TEST_F(PicturePileTest, NonSolidRectangleOnOffsettedLayerIsNonSolid) {
+  gfx::Rect visible_rect(tiling_rect());
+  visible_rect.Offset(gfx::Vector2d(1000, 1000));
+  // The picture pile requires that the tiling completely encompass the viewport
+  // to make this test work correctly since the recorded viewport is an
+  // intersection of the tile size and viewport rect.  This is possibly a flaw
+  // in |PicturePile|.
+  gfx::Size tiling_size(visible_rect.right(), visible_rect.bottom());
+  // |Setup()| will create pictures here that mess with the test, clear it!
+  pile_.Clear();
+
+  SkPaint paint;
+  paint.setColor(SK_ColorCYAN);
+
+  // 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());
+}
+
 }  // namespace
 }  // namespace cc