Worker: Rename WorkletThreadHolder::threadHolderInstance() to getInstance()

third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp

Index: third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp
diff --git a/third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp b/third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp
index f6b967afa8dc97b337484f1896a1b2b26d8cce97..838e896b7ed8a362cecc3dc4889dc84eb4d58436 100644
--- a/third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp
+++ b/third_party/WebKit/Source/core/workers/ThreadedWorkletTest.cpp
@@ -28,8 +28,8 @@ class ThreadedWorkletThreadForTest : public WorkerThread {
   ~ThreadedWorkletThreadForTest() override{};
 
   WorkerBackingThread& workerBackingThread() override {
-    auto workletThreadHolder = WorkletThreadHolder<
-        ThreadedWorkletThreadForTest>::threadHolderInstance();
+    auto workletThreadHolder =
+        WorkletThreadHolder<ThreadedWorkletThreadForTest>::getInstance();
     DCHECK(workletThreadHolder);
     return *workletThreadHolder->thread();
   }