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

third_party/WebKit/Source/modules/vr/VRDisplay.cpp

Index: third_party/WebKit/Source/modules/vr/VRDisplay.cpp
diff --git a/third_party/WebKit/Source/modules/vr/VRDisplay.cpp b/third_party/WebKit/Source/modules/vr/VRDisplay.cpp
index 97475f176e088a4c1bc1693f42d2e1154cb4b7d6..0c85c13a84877f6bde86a1ac2583841d2cf1ddd4 100644
--- a/third_party/WebKit/Source/modules/vr/VRDisplay.cpp
+++ b/third_party/WebKit/Source/modules/vr/VRDisplay.cpp
@@ -298,7 +298,7 @@ ScriptPromise VRDisplay::requestPresent(ScriptState* scriptState,
     // If we are waiting on the results of a previous requestPresent call don't
     // fire a new request, just cache the resolver and resolve it when the
     // original request returns.
-    m_pendingPresentResolvers.append(resolver);
+    m_pendingPresentResolvers.push_back(resolver);
   } else if (firstPresent) {
     bool secureContext = scriptState->getExecutionContext()->isSecureContext();
     if (!m_display) {
@@ -309,7 +309,7 @@ ScriptPromise VRDisplay::requestPresent(ScriptState* scriptState,
       return promise;
     }
 
-    m_pendingPresentResolvers.append(resolver);
+    m_pendingPresentResolvers.push_back(resolver);
     m_submit_frame_client_binding.Close();
     m_display->RequestPresent(
         secureContext,