cc: Don't swap PictureLayerTilingSet on activate.

cc/trees/layer_tree_host_impl_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_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 6162 matching lines @@
   LayerImpl* scrolling_layer = scoped_scrolling_layer.get();
   root->AddChild(scoped_scrolling_layer.Pass());
 
   gfx::Size content_layer_bounds(100000, 100);
   gfx::Size pile_tile_size(3000, 3000);
   scoped_refptr<FakePicturePileImpl> pile(FakePicturePileImpl::CreateFilledPile(
       pile_tile_size, content_layer_bounds));
 
   scoped_ptr<FakePictureLayerImpl> scoped_content_layer =
       FakePictureLayerImpl::CreateWithRasterSource(host_impl_->pending_tree(),
-                                                   3, pile);
+                                                   3, pile, false);
   LayerImpl* content_layer = scoped_content_layer.get();
   scrolling_layer->AddChild(scoped_content_layer.Pass());
   content_layer->SetBounds(content_layer_bounds);
   content_layer->SetDrawsContent(true);
 
   root->SetBounds(root_size);
 
   gfx::ScrollOffset scroll_offset(100000, 0);
   scrolling_layer->SetScrollClipLayer(root->id());
   scrolling_layer->SetScrollOffset(scroll_offset);
@@ skipping 1648 matching lines @@
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_LE(1, num_lost_surfaces_);
 }
 
 }  // namespace
 }  // namespace cc