Added non-prefixed navigator.getGamepads() with updated API

Source/modules/gamepad/GamepadBase.cpp

Index: Source/modules/gamepad/GamepadBase.cpp
diff --git a/Source/core/css/DocumentFontFaceSet.cpp b/Source/modules/gamepad/GamepadBase.cpp
similarity index 76%
copy from Source/core/css/DocumentFontFaceSet.cpp
copy to Source/modules/gamepad/GamepadBase.cpp
index a5952c64b271f9d5cc186f1a38b1298b202676de..a5fd5c91184494016efec50bf176a04c3362420f 100644
--- a/Source/core/css/DocumentFontFaceSet.cpp
+++ b/Source/modules/gamepad/GamepadBase.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013, Google Inc. All rights reserved.
+ * Copyright (C) 2011, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -24,15 +24,30 @@
  */
 
 #include "config.h"
-#include "core/css/DocumentFontFaceSet.h"
-
-#include "core/css/FontFaceSet.h"
+#include "modules/gamepad/GamepadBase.h"
 
 namespace WebCore {
 
-PassRefPtr<FontFaceSet> DocumentFontFaceSet::fonts(Document& document)
+GamepadBase::GamepadBase()
+    : m_index(0)
+    , m_timestamp(0)
+{
+    ScriptWrappable::init(this);
+}
+
+void GamepadBase::axes(unsigned count, const float* data)
+{
+    m_axes.resize(count);
+    if (count)
+        std::copy(data, data + count, m_axes.begin());
+}
+
+GamepadBase::~GamepadBase()
+{
+}
+
+void GamepadBase::trace(Visitor* visitor)
 {
-    return FontFaceSet::from(document);
 }
 
 } // namespace WebCore