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

third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp

Index: third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp
diff --git a/third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp b/third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp
index d865686d827fa6282e134458248ae655a8cf484e..3f61474d0de77a2b3406d3e8cc43a7d605ec0a79 100644
--- a/third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp
+++ b/third_party/WebKit/Source/modules/gamepad/NavigatorGamepad.cpp
@@ -145,7 +145,7 @@ void NavigatorGamepad::didUpdateData() {
   sampleGamepad(change.index, *gamepad, change.pad);
   m_gamepads->set(change.index, gamepad);
 
-  m_pendingEvents.append(gamepad);
+  m_pendingEvents.push_back(gamepad);
   m_dispatchOneEventRunner->runAsync();
 }
 
@@ -263,10 +263,10 @@ void NavigatorGamepad::pageVisibilityChanged() {
                                    oldGamepad->id() != newGamepad->id();
     if (connectedGamepadChanged || (oldWasConnected && !newIsConnected)) {
       oldGamepad->setConnected(false);
-      m_pendingEvents.append(oldGamepad);
+      m_pendingEvents.push_back(oldGamepad);
     }
     if (connectedGamepadChanged || (!oldWasConnected && newIsConnected)) {
-      m_pendingEvents.append(newGamepad);
+      m_pendingEvents.push_back(newGamepad);
     }
   }