cc: Don't swap PictureLayerTilingSet on activate.

cc/resources/picture_layer_tiling_perftest.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/debug/lap_timer.h"
 #include "cc/resources/picture_layer_tiling.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/scoped_resource.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
@@ skipping 39 matching lines @@
     picture_layer_tiling_ = PictureLayerTiling::Create(
         1, gfx::Size(256 * 50, 256 * 50), &picture_layer_tiling_client_);
     picture_layer_tiling_->CreateAllTilesForTesting();
   }
 
   void TearDown() override { picture_layer_tiling_.reset(NULL); }
 
   void RunInvalidateTest(const std::string& test_name, const Region& region) {
     timer_.Reset();
     do {
-      picture_layer_tiling_->UpdateTilesToCurrentRasterSource(
-          picture_layer_tiling_client_.raster_source(), region,
-          picture_layer_tiling_->tiling_size());
+      picture_layer_tiling_->Invalidate(region);
       timer_.NextLap();
     } while (!timer_.HasTimeLimitExpired());
 
     perf_test::PrintResult(
         "invalidation", "", test_name, timer_.LapsPerSecond(), "runs/s", true);
   }
 
   void RunComputeTilePriorityRectsStationaryTest(
       const std::string& test_name,
       const gfx::Transform& transform) {
@@ skipping 164 matching lines @@
       "32_500x500", 32, gfx::Rect(0, 0, 500, 500));
   RunRasterIteratorConstructAndIterateTest(
       "64_100x100", 64, gfx::Rect(0, 0, 100, 100));
   RunRasterIteratorConstructAndIterateTest(
       "64_500x500", 64, gfx::Rect(0, 0, 500, 500));
 }
 
 }  // namespace
 
 }  // namespace cc