CFI: fix invalid cast in tile_manager_unittest.cc.

cc/tiles/tile_manager_unittest.cc

 // Copyright 2013 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 "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "cc/playback/display_list_raster_source.h"
 #include "cc/playback/display_list_recording_source.h"
 #include "cc/raster/raster_buffer.h"
 #include "cc/resources/resource_pool.h"
@@ skipping 1712 matching lines @@
 // Fake TileTaskRunner that just cancels all scheduled tasks immediately.
 class CancellingTileTaskRunner : public FakeTileTaskRunner {
  public:
   CancellingTileTaskRunner() {}
   ~CancellingTileTaskRunner() override {}
 
   void ScheduleTasks(TaskGraph* graph) override {
     // Just call CompleteOnOriginThread on each item in the queue. As none of
     // these items have run yet, they will be treated as cancelled tasks.
     for (const auto& node : graph->nodes) {
-      static_cast<RasterTask*>(node.task)->CompleteOnOriginThread(this);
+      static_cast<TileTask*>(node.task)->CompleteOnOriginThread(this);
     }
   }
 };
 
 class PartialRasterTileManagerTest : public TileManagerTest {
  public:
   void CustomizeSettings(LayerTreeSettingsForTesting* settings) override {
     settings->use_partial_raster = true;
   }
 };
@@ skipping 54 matching lines @@
 
 // Fake TileTaskRunner that verifies the resource content ID of raster tasks.
 class VerifyResourceContentIdTileTaskRunner : public FakeTileTaskRunner {
  public:
   explicit VerifyResourceContentIdTileTaskRunner(uint64_t expected_resource_id)
       : expected_resource_id_(expected_resource_id) {}
   ~VerifyResourceContentIdTileTaskRunner() override {}
 
   void ScheduleTasks(TaskGraph* graph) override {
     for (const auto& node : graph->nodes) {
-      RasterTask* task = static_cast<RasterTask*>(node.task);
+      TileTask* task = static_cast<TileTask*>(node.task);
       // Triggers a call to AcquireBufferForRaster.
       task->ScheduleOnOriginThread(this);
       // Calls TileManager as though task was cancelled.
       task->CompleteOnOriginThread(this);
     }
   }
 
   // TileTaskClient methods.
   scoped_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource,
@@ skipping 74 matching lines @@
 
 // Ensures that the tile manager does not attempt to reuse tiles when partial
 // raster is disabled.
 TEST_F(TileManagerTest, PartialRasterSuccessfullyDisabled) {
   RunPartialRasterCheck(std::move(host_impl_),
                         false /* partial_raster_enabled */);
 }
 
 }  // namespace
 }  // namespace cc