Revert of Move gpu memory calculations to Compositor.

cc/tiles/tile_manager_unittest.cc

Index: cc/tiles/tile_manager_unittest.cc
diff --git a/cc/tiles/tile_manager_unittest.cc b/cc/tiles/tile_manager_unittest.cc
index 0a068305a0f4d9bb4d6e16f14f56be2bc321f69b..1dae6e30491ddff607264f42f1b1933f49b043ac 100644
--- a/cc/tiles/tile_manager_unittest.cc
+++ b/cc/tiles/tile_manager_unittest.cc
@@ -1374,22 +1374,6 @@ TEST_F(TileManagerTilePriorityQueueTest,
   host_impl_.resource_pool()->ReleaseResource(resource, 0);
 }
 
-TEST_F(TileManagerTilePriorityQueueTest, DefaultMemoryPolicy) {
-  const gfx::Size layer_bounds(1000, 1000);
-  host_impl_.SetViewportSize(layer_bounds);
-  SetupDefaultTrees(layer_bounds);
-
-  host_impl_.tile_manager()->PrepareTiles(host_impl_.global_tile_state());
-
-  // 64MB is the default mem limit.
-  EXPECT_EQ(67108864u,
-            host_impl_.global_tile_state().hard_memory_limit_in_bytes);
-  EXPECT_EQ(TileMemoryLimitPolicy::ALLOW_ANYTHING,
-            host_impl_.global_tile_state().memory_limit_policy);
-  EXPECT_EQ(ManagedMemoryPolicy::kDefaultNumResourcesLimit,
-            host_impl_.global_tile_state().num_resources_limit);
-}
-
 TEST_F(TileManagerTilePriorityQueueTest, RasterQueueAllUsesCorrectTileBounds) {
   // Verify that we use the real tile bounds when advancing phases during the
   // tile iteration.