cc: GPU rasterize tiles synchronously in PrepareToDraw.

cc/test/fake_tile_manager.cc

Index: cc/test/fake_tile_manager.cc
diff --git a/cc/test/fake_tile_manager.cc b/cc/test/fake_tile_manager.cc
index bb23aa824fcdd9a8a531298911c4105df749985e..5ac44d0c866057f9ee6e50e36d8b650e472073bd 100644
--- a/cc/test/fake_tile_manager.cc
+++ b/cc/test/fake_tile_manager.cc
@@ -65,8 +65,9 @@ base::LazyInstance<FakeTileTaskRunnerImpl> g_fake_tile_task_runner =
 FakeTileManager::FakeTileManager(TileManagerClient* client)
     : TileManager(client,
                   base::MessageLoopProxy::current(),
-                  NULL,
+                  nullptr,
                   g_fake_tile_task_runner.Pointer(),
+                  nullptr,
                   std::numeric_limits<size_t>::max()) {
 }
 
@@ -76,17 +77,20 @@ FakeTileManager::FakeTileManager(TileManagerClient* client,
                   base::MessageLoopProxy::current(),
                   resource_pool,
                   g_fake_tile_task_runner.Pointer(),
+                  nullptr,
                   std::numeric_limits<size_t>::max()) {
 }
 
 FakeTileManager::~FakeTileManager() {}
 
+// TODO(vmiura): This seems unused.  Remove it?
 void FakeTileManager::AssignMemoryToTiles(
     const GlobalStateThatImpactsTilePriority& state) {
   tiles_for_raster.clear();
 
   SetGlobalStateForTesting(state);
-  AssignGpuMemoryToTiles(&tiles_for_raster);
+  AssignGpuMemoryToTiles(&tiles_for_raster, std::numeric_limits<size_t>::max(),
+                         false);
 }
 
 bool FakeTileManager::HasBeenAssignedMemory(Tile* tile) {