cc: Move prepaint region calculations to the tiling set.

cc/layers/picture_layer_impl_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 "cc/layers/picture_layer_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 2259 matching lines @@
   EXPECT_TRUE(active_tiling->TileAt(1, 0));
   EXPECT_TRUE(active_tiling->TileAt(0, 1));
   EXPECT_FALSE(pending_tiling->TileAt(0, 0));
   EXPECT_FALSE(pending_tiling->TileAt(1, 0));
   EXPECT_FALSE(pending_tiling->TileAt(0, 1));
   EXPECT_NE(active_tiling->TileAt(1, 1), pending_tiling->TileAt(1, 1));
   EXPECT_TRUE(active_tiling->TileAt(1, 1));
   EXPECT_TRUE(pending_tiling->TileAt(1, 1));
 
   // Drop the tiles on the active tree and recreate them.
-  active_tiling->ComputeTilePriorityRects(gfx::Rect(), 1.f, 1.0, Occlusion());
+  active_layer_->tilings()->UpdateTilePriorities(gfx::Rect(), 1.f, 1.0,
+                                                 Occlusion(), true);
   EXPECT_TRUE(active_tiling->AllTilesForTesting().empty());
   active_tiling->CreateAllTilesForTesting();
 
   // Tile 0,0 not exist on pending, but tile 1,1 should.
   EXPECT_TRUE(active_tiling->TileAt(0, 0));
   EXPECT_TRUE(active_tiling->TileAt(1, 0));
   EXPECT_TRUE(active_tiling->TileAt(0, 1));
   EXPECT_FALSE(pending_tiling->TileAt(0, 0));
   EXPECT_FALSE(pending_tiling->TileAt(1, 0));
   EXPECT_FALSE(pending_tiling->TileAt(0, 1));
@@ skipping 2599 matching lines @@
   // New low res tiling.
   EXPECT_TRUE(tilings->tiling_at(2)->may_contain_low_resolution_tiles());
 
   // This tiling will be high res now, it won't contain low res content since it
   // was all destroyed.
   EXPECT_FALSE(tilings->tiling_at(1)->may_contain_low_resolution_tiles());
 }
 
 }  // namespace
 }  // namespace cc