Add navigator.maxTouchPoints

Source/core/events/NavigatorEvents.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 11 matching lines @@
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
+#include "core/events/NavigatorEvents.h"
 
-#include "modules/quota/StorageErrorCallback.h"
-
-#include "core/dom/DOMError.h"
+#include "core/frame/Frame.h"
+#include "core/frame/Navigator.h"
+#include "core/page/Page.h"
+#include "core/page/Settings.h"
 
 namespace WebCore {
 
-StorageErrorCallback::CallbackTask::CallbackTask(PassRefPtr<StorageErrorCallback> callback, ExceptionCode ec)
-    : m_callback(callback)
-    , m_ec(ec)
+long NavigatorEvents::maxTouchPoints(Navigator* navigator)
 {
-}
+    Frame* frame = navigator->frame();
 
-void StorageErrorCallback::CallbackTask::performTask(ExecutionContext*)
-{
-    if (!m_callback)
-        return;
-    m_callback->handleEvent(DOMError::create(m_ec).get());
+    if (!frame)
+        return 0;
+
+    Page* page = frame->page();
+
+    if (!page)
+        return 0;
+
+    return page->settings().maxTouchPoints();
 }
 
 } // namespace WebCore