Update from https://crrev.com/305340

cc/trees/layer_tree_host_pixeltest_masks.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 "build/build_config.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_image_layer.h"
 #include "cc/layers/picture_layer.h"
 #include "cc/layers/solid_color_layer.h"
 #include "cc/test/layer_tree_pixel_resource_test.h"
@@ skipping 33 matching lines @@
                            inset_rect.width(), inset_rect.height()),
           paint);
       inset_rect.Inset(3, 3, 2, 2);
     }
   }
 
  private:
   gfx::Size bounds_;
 };
 
+// TODO(enne): these time out on Windows.  http://crbug.com/435632
+#if !defined(OS_WIN)
+
 TEST_P(LayerTreeHostMasksPixelTest, MaskOfLayer) {
   scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
       gfx::Rect(200, 200), SK_ColorWHITE);
 
   scoped_refptr<SolidColorLayer> green = CreateSolidColorLayerWithBorder(
       gfx::Rect(50, 50, 100, 100), kCSSGreen, 1, SK_ColorBLACK);
   background->AddChild(green);
 
   gfx::Size mask_bounds(100, 100);
   MaskContentLayerClient client(mask_bounds);
@@ skipping 201 matching lines @@
   replica->SetPosition(gfx::Point());
   replica->SetTransform(replica_transform);
   replica->SetMaskLayer(mask.get());
   green->SetReplicaLayer(replica.get());
 
   RunPixelResourceTest(background,
                        base::FilePath(FILE_PATH_LITERAL(
                            "mask_of_replica_of_clipped_layer.png")));
 }
 
+#endif  // !defined(OS_WIN)
+
 }  // namespace
 }  // namespace cc
 
 #endif  // OS_ANDROID