not for commit/review (thread cost tracker)

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..d87a6ebe332ab6312462a348c2eb7ee999655539 100644
--- a/cc/test/fake_tile_manager.cc
+++ b/cc/test/fake_tile_manager.cc
@@ -67,7 +67,8 @@ FakeTileManager::FakeTileManager(TileManagerClient* client)
                   base::MessageLoopProxy::current(),
                   NULL,
                   g_fake_tile_task_runner.Pointer(),
-                  std::numeric_limits<size_t>::max()) {
+                  std::numeric_limits<size_t>::max(),
+                  &worker_thread_cost_tracker_) {
 }
 
 FakeTileManager::FakeTileManager(TileManagerClient* client,
@@ -76,7 +77,8 @@ FakeTileManager::FakeTileManager(TileManagerClient* client,
                   base::MessageLoopProxy::current(),
                   resource_pool,
                   g_fake_tile_task_runner.Pointer(),
-                  std::numeric_limits<size_t>::max()) {
+                  std::numeric_limits<size_t>::max(),
+                  &worker_thread_cost_tracker_) {
 }
 
 FakeTileManager::~FakeTileManager() {}