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

Source/modules/gamepad/WebKitGamepad.cpp

Index: Source/modules/gamepad/WebKitGamepad.cpp
diff --git a/Source/modules/gamepad/WebKitGamepad.cpp b/Source/modules/gamepad/WebKitGamepad.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..5a3fce54e2d5c83cb173ecc6c23bee0a3eee81c5
--- /dev/null
+++ b/Source/modules/gamepad/WebKitGamepad.cpp
@@ -0,0 +1,39 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "modules/gamepad/WebKitGamepad.h"
+
+namespace WebCore {
+
+WebKitGamepad::WebKitGamepad()
+    : m_index(0)
+    , m_timestamp(0)
+{
+    ScriptWrappable::init(this);
+}
+
+void WebKitGamepad::setAxes(unsigned count, const float* data)
+{
+    m_axes.resize(count);
+    if (count)
+        std::copy(data, data + count, m_axes.begin());
+}
+
+void WebKitGamepad::setButtons(unsigned count, const blink::WebGamepadButton* data)
+{
+    m_buttons.resize(count);
+    for (unsigned i = 0; i < count; ++i)
+        m_buttons[i] = data[i].value;
+}
+
+void WebKitGamepad::trace(Visitor* visitor)
+{
+}
+
+WebKitGamepad::~WebKitGamepad()
+{
+}
+
+} // namespace WebCore