Migrate WTF::Deque::append() to ::push_back()

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

Index: third_party/WebKit/Source/core/workers/DedicatedWorkerTest.cpp
diff --git a/third_party/WebKit/Source/core/workers/DedicatedWorkerTest.cpp b/third_party/WebKit/Source/core/workers/DedicatedWorkerTest.cpp
index d0b11fc42396583552d50c6123a56b9d01b762d8..3ead61f16c9d5520f178887c3cf1d7c62d677350 100644
--- a/third_party/WebKit/Source/core/workers/DedicatedWorkerTest.cpp
+++ b/third_party/WebKit/Source/core/workers/DedicatedWorkerTest.cpp
@@ -152,7 +152,7 @@ class InProcessWorkerMessagingProxyForTest
   void confirmMessageFromWorkerObject() override {
     EXPECT_TRUE(isMainThread());
     InProcessWorkerMessagingProxy::confirmMessageFromWorkerObject();
-    m_events.append(Notification::MessageConfirmed);
+    m_events.push_back(Notification::MessageConfirmed);
     if (m_blocking)
       testing::exitRunLoop();
     m_blocking = false;
@@ -161,7 +161,7 @@ class InProcessWorkerMessagingProxyForTest
   void pendingActivityFinished() override {
     EXPECT_TRUE(isMainThread());
     InProcessWorkerMessagingProxy::pendingActivityFinished();
-    m_events.append(Notification::PendingActivityReported);
+    m_events.push_back(Notification::PendingActivityReported);
     if (m_blocking)
       testing::exitRunLoop();
     m_blocking = false;
@@ -169,7 +169,7 @@ class InProcessWorkerMessagingProxyForTest
 
   void workerThreadTerminated() override {
     EXPECT_TRUE(isMainThread());
-    m_events.append(Notification::ThreadTerminated);
+    m_events.push_back(Notification::ThreadTerminated);
     if (m_blocking)
       testing::exitRunLoop();
     m_blocking = false;