cc: Don't swap PictureLayerTilingSet on activate.

cc/test/fake_picture_layer_impl.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/test/fake_picture_layer_impl.h"
 
 #include <vector>
 #include "cc/resources/tile.h"
 #include "cc/trees/layer_tree_impl.h"
 
 namespace cc {
 
 FakePictureLayerImpl::FakePictureLayerImpl(
     LayerTreeImpl* tree_impl,
     int id,
-    scoped_refptr<RasterSource> raster_source)
+    scoped_refptr<RasterSource> raster_source,
+    bool is_mask)
     : PictureLayerImpl(tree_impl, id),
       append_quads_count_(0),
       did_become_active_call_count_(0),
       has_valid_tile_priorities_(false),
       use_set_valid_tile_priorities_flag_(false),
       release_resources_count_(0) {
-  raster_source_ = raster_source;
-  SetBounds(raster_source_->GetSize());
-  SetContentBounds(raster_source_->GetSize());
+  SetBounds(raster_source->GetSize());
+  SetContentBounds(raster_source->GetSize());
+  SetRasterSourceOnPending(raster_source, Region(), is_mask);
 }
 
 FakePictureLayerImpl::FakePictureLayerImpl(
     LayerTreeImpl* tree_impl,
     int id,
     scoped_refptr<RasterSource> raster_source,
+    bool is_mask,
     const gfx::Size& layer_bounds)
     : PictureLayerImpl(tree_impl, id),
       append_quads_count_(0),
       did_become_active_call_count_(0),
       has_valid_tile_priorities_(false),
       use_set_valid_tile_priorities_flag_(false),
       release_resources_count_(0) {
-  raster_source_ = raster_source;
   SetBounds(layer_bounds);
   SetContentBounds(layer_bounds);
+  SetRasterSourceOnPending(raster_source, Region(), is_mask);
 }
 
 FakePictureLayerImpl::FakePictureLayerImpl(LayerTreeImpl* tree_impl, int id)
     : PictureLayerImpl(tree_impl, id),
       append_quads_count_(0),
       did_become_active_call_count_(0),
       has_valid_tile_priorities_(false),
       use_set_valid_tile_priorities_flag_(false),
       release_resources_count_(0) {
 }
 
 scoped_ptr<LayerImpl> FakePictureLayerImpl::CreateLayerImpl(
     LayerTreeImpl* tree_impl) {
   return make_scoped_ptr(new FakePictureLayerImpl(tree_impl, id()));
 }
 
+void FakePictureLayerImpl::PushPropertiesTo(LayerImpl* layer_impl) {
+  FakePictureLayerImpl* picture_layer_impl =
+      static_cast<FakePictureLayerImpl*>(layer_impl);
+  picture_layer_impl->fixed_tile_size_ = fixed_tile_size_;
+  PictureLayerImpl::PushPropertiesTo(layer_impl);
+}
+
 void FakePictureLayerImpl::AppendQuads(
     RenderPass* render_pass,
     const Occlusion& occlusion_in_content_space,
     AppendQuadsData* append_quads_data) {
   PictureLayerImpl::AppendQuads(
       render_pass, occlusion_in_content_space, append_quads_data);
   ++append_quads_count_;
 }
 
 gfx::Size FakePictureLayerImpl::CalculateTileSize(
@@ skipping 24 matching lines @@
     PictureLayerTiling* tiling = tilings_->tiling_at(i);
     if (tiling->resolution() == LOW_RESOLUTION) {
       // There should be only one low res tiling.
       CHECK(!result);
       result = tiling;
     }
   }
   return result;
 }
 
-void FakePictureLayerImpl::SetRasterSource(
-    scoped_refptr<RasterSource> raster_source) {
-  raster_source_.swap(raster_source);
-  if (tilings()) {
-    for (size_t i = 0; i < num_tilings(); ++i) {
-      tilings()->tiling_at(i)->UpdateTilesToCurrentRasterSource(
-          raster_source_.get(), Region(), raster_source_->GetSize());
-    }
-  }
+void FakePictureLayerImpl::SetRasterSourceOnPending(
+    scoped_refptr<RasterSource> raster_source,
+    const Region& invalidation,
+    bool is_mask) {
+  DCHECK(layer_tree_impl()->IsPendingTree());
+  Region invalidation_temp = invalidation;
+  const PictureLayerTilingSet* pending_set = nullptr;
+  UpdateRasterSource(raster_source, &invalidation_temp, is_mask, pending_set);
 }
 
 void FakePictureLayerImpl::SetAllTilesVisible() {
   WhichTree tree =
       layer_tree_impl()->IsActiveTree() ? ACTIVE_TREE : PENDING_TREE;
 
   for (size_t tiling_idx = 0; tiling_idx < tilings_->num_tilings();
        ++tiling_idx) {
     PictureLayerTiling* tiling = tilings_->tiling_at(tiling_idx);
     std::vector<Tile*> tiles = tiling->AllTilesForTesting();
@@ skipping 130 matching lines @@
   return CountTilesRequired(
       &PictureLayerTiling::IsTileRequiredForDrawIfVisible);
 }
 
 void FakePictureLayerImpl::ReleaseResources() {
   PictureLayerImpl::ReleaseResources();
   ++release_resources_count_;
 }
 
 }  // namespace cc