Vibration cannot be canceled during pattern vibration.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 97 matching lines @@
 #include "core/page/PagePopupController.h"
 #include "core/platform/graphics/GraphicsLayer.h"
 #include "core/platform/graphics/filters/FilterOperation.h"
 #include "core/platform/graphics/filters/FilterOperations.h"
 #include "core/rendering/RenderLayerBacking.h"
 
 #include "core/platform/mock/PlatformSpeechSynthesizerMock.h"
 #include "modules/speech/DOMWindowSpeechSynthesis.h"
 #include "modules/speech/SpeechSynthesis.h"
 
+// FIXME : Need to be removed this include statement
+// after implementing Partial interface for Internals's IDL.
+// This will be handled on the 261467 issue.
+#include "modules/vibration/NavigatorVibration.h"

[abarth-chromium, 2013/07/18 07:39:07]

This is a bad dependency.  Rather than adding technical debt to the project,
please refactor the code to allow modules to extend the Internals interface.

+
 namespace WebCore {
 
 static MockPagePopupDriver* s_pagePopupDriver = 0;
 
 using namespace HTMLNames;
 
 class InspectorFrontendChannelDummy : public InspectorFrontendChannel {
 public:
     explicit InspectorFrontendChannelDummy(Page*);
     virtual ~InspectorFrontendChannelDummy() { }
@@ skipping 1870 matching lines @@
     HTMLSelectElement* select = toHTMLSelectElement(node);
 
     RenderObject* renderer = select->renderer();
     if (!renderer->isMenuList())
         return false;
 
     RenderMenuList* menuList = toRenderMenuList(renderer);
     return menuList->popupIsVisible();
 }
 
+bool Internals::isVibrating(Document* document)
+{
+    ASSERT(document && document->page());
+
+    return NavigatorVibration::from(document->page())->isVibrating();
 }
+
+}