cc: Remove memory state from tile management

cc/resources/picture_layer_tiling_set_unittest.cc

 // Copyright 2012 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/resources/picture_layer_tiling_set.h"
 
 #include <vector>
 
 #include "cc/resources/resource_pool.h"
 #include "cc/resources/resource_provider.h"
@@ skipping 63 matching lines @@
       tiling->CreateAllTilesForTesting();
       std::vector<Tile*> tiles = tiling->AllTilesForTesting();
       for (size_t i = 0; i < tiles.size(); ++i) {
         EXPECT_FALSE(tiles[i]->tile_version().GetResourceForTesting());
 
         tiles[i]->tile_version().SetResourceForTesting(
             make_scoped_ptr(new ResourcePool::Resource(
                 resource_provider.get(),
                 gfx::Size(1, 1),
                 resource_provider->best_texture_format())));
-        tiles[i]->tile_version().SetMemoryStateForTesting(
-            USING_RELEASABLE_MEMORY);
       }
     }
 
     float max_contents_scale = scale;
     gfx::Size content_bounds(
         gfx::ToCeiledSize(gfx::ScaleSize(layer_bounds, max_contents_scale)));
     gfx::Rect content_rect(content_bounds);
 
     Region remaining(content_rect);
     PictureLayerTilingSet::CoverageIterator iter(
@@ skipping 47 matching lines @@
 TEST_F(PictureLayerTilingSetTestWithResources, ManyTilings_Equal) {
   runTest(10, 1.f, 1.f, 5.f, 5.f);
 }
 
 TEST_F(PictureLayerTilingSetTestWithResources, ManyTilings_NotEqual) {
   runTest(10, 1.f, 1.f, 4.5f, 5.f);
 }
 
 }  // namespace
 }  // namespace cc