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

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 1222 matching lines @@
 
 void LayerTreeHostImpl::DidInitializeVisibleTile() {
   if (client_ && !client_->IsInsideDraw())
     client_->DidInitializeVisibleTileOnImplThread();
 }
 
 void LayerTreeHostImpl::NotifyReadyToActivate() {
   client_->NotifyReadyToActivate();
 }
 
-void LayerTreeHostImpl::NotifyTileInitialized(const Tile* tile) {
-  TRACE_EVENT0("cc", "LayerTreeHostImpl::NotifyTileInitialized");
+void LayerTreeHostImpl::NotifyTileStateChanged(const Tile* tile) {
+  TRACE_EVENT0("cc", "LayerTreeHostImpl::NotifyTileStateChanged");
 
   if (active_tree_) {
     LayerImpl* layer_impl =
         active_tree_->FindActiveTreeLayerById(tile->layer_id());
     if (layer_impl)
-      layer_impl->NotifyTileInitialized(tile);
+      layer_impl->NotifyTileStateChanged(tile);
   }
 
   if (pending_tree_) {
     LayerImpl* layer_impl =
         pending_tree_->FindPendingTreeLayerById(tile->layer_id());
     if (layer_impl)
-      layer_impl->NotifyTileInitialized(tile);
+      layer_impl->NotifyTileStateChanged(tile);
   }
 }
 
 void LayerTreeHostImpl::SetMemoryPolicy(const ManagedMemoryPolicy& policy) {
   SetManagedMemoryPolicy(policy, zero_budget_);
 }
 
 void LayerTreeHostImpl::SetTreeActivationCallback(
     const base::Closure& callback) {
   DCHECK(proxy_->IsImplThread());
@@ skipping 647 matching lines @@
 
     raster_worker_pool_ = PixelBufferRasterWorkerPool::Create(
         proxy_->ImplThreadTaskRunner(),
         RasterWorkerPool::GetTaskGraphRunner(),
         resource_provider_.get(),
         transfer_buffer_memory_limit_);
   }
 
   tile_manager_ =
       TileManager::Create(this,
+                          proxy_->ImplThreadTaskRunner(),
                           resource_pool_.get(),
                           raster_worker_pool_->AsRasterizer(),
-                          GetRendererCapabilities().allow_rasterize_on_demand,
                           rendering_stats_instrumentation_);
 
   UpdateTileManagerMemoryPolicy(ActualManagedMemoryPolicy());
   need_to_update_visible_tiles_before_draw_ = false;
 }
 
 void LayerTreeHostImpl::DestroyTileManager() {
   tile_manager_.reset();
   resource_pool_.reset();
   staging_resource_pool_.reset();
@@ skipping 1190 matching lines @@
   swap_promise_monitor_.erase(monitor);
 }
 
 void LayerTreeHostImpl::NotifySwapPromiseMonitorsOfSetNeedsRedraw() {
   std::set<SwapPromiseMonitor*>::iterator it = swap_promise_monitor_.begin();
   for (; it != swap_promise_monitor_.end(); it++)
     (*it)->OnSetNeedsRedrawOnImpl();
 }
 
 }  // namespace cc