Revert of cc: Make tile manager object persist for the length of LTHI.

cc/tiles/tile_manager.h

Index: cc/tiles/tile_manager.h
diff --git a/cc/tiles/tile_manager.h b/cc/tiles/tile_manager.h
index 34008c48ae09a38d5c558970f8d6c298a3f456c8..56ec94b58b3114e6460ee94b32ffe331a4192535 100644
--- a/cc/tiles/tile_manager.h
+++ b/cc/tiles/tile_manager.h
@@ -106,6 +106,8 @@
 
   static scoped_ptr<TileManager> Create(TileManagerClient* client,
                                         base::SequencedTaskRunner* task_runner,
+                                        ResourcePool* resource_pool,
+                                        TileTaskRunner* tile_task_runner,
                                         size_t scheduled_raster_task_limit);
   ~TileManager() override;
 
@@ -114,18 +116,7 @@
   // activation are prepared, or failed to prepare due to OOM.
   // - Runs client_->NotifyReadyToDraw() when all tiles required draw are
   // prepared, or failed to prepare due to OOM.
-  bool PrepareTiles(const GlobalStateThatImpactsTilePriority& state);
-
-  // Synchronously finish any in progress work, cancel the rest, and clean up as
-  // much resources as possible. Also, prevents any future work until a
-  // SetResources call.
-  void FinishTasksAndCleanUp();
-
-  // Set the new given resource pool and tile task runner. Note that
-  // FinishTasksAndCleanUp must be called in between consecutive calls to
-  // SetResources.
-  void SetResources(ResourcePool* resource_pool,
-                    TileTaskRunner* tile_task_runner);
+  void PrepareTiles(const GlobalStateThatImpactsTilePriority& state);
 
   // This causes any completed raster work to finalize, so that tiles get up to
   // date draw information.
@@ -205,6 +196,8 @@
  protected:
   TileManager(TileManagerClient* client,
               const scoped_refptr<base::SequencedTaskRunner>& task_runner,
+              ResourcePool* resource_pool,
+              TileTaskRunner* tile_task_runner,
               size_t scheduled_raster_task_limit);
 
   void FreeResourcesForReleasedTiles();