Re-land: cc: Examine layers to determine if we're ready to activate.

cc/resources/tile_manager_unittest.cc

Index: cc/resources/tile_manager_unittest.cc
diff --git a/cc/resources/tile_manager_unittest.cc b/cc/resources/tile_manager_unittest.cc
index 889a758f7963aad6a438ea11b128984e2145a429..ce5fb2a980831e1ac3803b25022c2d150f8b3d3b 100644
--- a/cc/resources/tile_manager_unittest.cc
+++ b/cc/resources/tile_manager_unittest.cc
@@ -32,8 +32,7 @@ class TileManagerTest : public testing::TestWithParam<bool>,
 
   void Initialize(int max_tiles,
                   TileMemoryLimitPolicy memory_limit_policy,
-                  TreePriority tree_priority,
-                  bool allow_on_demand_raster = true) {
+                  TreePriority tree_priority) {
     output_surface_ = FakeOutputSurface::Create3d();
     CHECK(output_surface_->BindToClient(&output_surface_client_));
 
@@ -43,8 +42,8 @@ class TileManagerTest : public testing::TestWithParam<bool>,
         false);
     resource_pool_ = ResourcePool::Create(
         resource_provider_.get(), GL_TEXTURE_2D, RGBA_8888);
-    tile_manager_ = make_scoped_ptr(new FakeTileManager(
-        this, resource_pool_.get(), allow_on_demand_raster));
+    tile_manager_ =
+        make_scoped_ptr(new FakeTileManager(this, resource_pool_.get()));
 
     memory_limit_policy_ = memory_limit_policy;
     max_tiles_ = max_tiles;
@@ -601,40 +600,6 @@ TEST_P(TileManagerTest, RespectMemoryLimit) {
   EXPECT_LE(memory_allocated_bytes, global_state_.hard_memory_limit_in_bytes);
 }
 
-TEST_P(TileManagerTest, AllowRasterizeOnDemand) {
-  // Not enough memory to initialize tiles required for activation.
-  Initialize(0, ALLOW_ANYTHING, SAME_PRIORITY_FOR_BOTH_TREES);
-  TileVector tiles =
-      CreateTiles(2, TilePriority(), TilePriorityRequiredForActivation());
-
-  tile_manager()->AssignMemoryToTiles(global_state_);
-
-  // This should make required tiles ready to draw by marking them as
-  // required tiles for on-demand raster.
-  tile_manager()->DidFinishRunningTasksForTesting();
-
-  EXPECT_TRUE(ready_to_activate());
-  for (TileVector::iterator it = tiles.begin(); it != tiles.end(); ++it)
-    EXPECT_TRUE((*it)->IsReadyToDraw());
-}
-
-TEST_P(TileManagerTest, PreventRasterizeOnDemand) {
-  // Not enough memory to initialize tiles required for activation.
-  Initialize(0, ALLOW_ANYTHING, SAME_PRIORITY_FOR_BOTH_TREES, false);
-  TileVector tiles =
-      CreateTiles(2, TilePriority(), TilePriorityRequiredForActivation());
-
-  tile_manager()->AssignMemoryToTiles(global_state_);
-
-  // This should make required tiles ready to draw by marking them as
-  // required tiles for on-demand raster.
-  tile_manager()->DidFinishRunningTasksForTesting();
-
-  EXPECT_TRUE(ready_to_activate());
-  for (TileVector::iterator it = tiles.begin(); it != tiles.end(); ++it)
-    EXPECT_FALSE((*it)->IsReadyToDraw());
-}
-
 // If true, the max tile limit should be applied as bytes; if false,
 // as num_resources_limit.
 INSTANTIATE_TEST_CASE_P(TileManagerTests,