https://bugs.webkit.org/show_bug.cgi?id=117333

Reviewed by Gyuyoung Kim.

Source/WebCore:

vibration can be canceled in the onvisibilitychange listener even if page visibility is changed to hidden status.
Therefore cancelVibration needs to work when page visibility is hidden.

Tests: vibration/cancelVibration-after-pagevisibility-changed-to-hidden.html

* Modules/vibration/NavigatorVibration.cpp:
(WebCore::NavigatorVibration::vibrate):
* Modules/vibration/Vibration.h:
(WebCore::Vibration::isVibrating):
* testing/Internals.cpp:
(WebCore::Internals::isVibrating):
* testing/Internals.h:
* testing/Internals.idl:

LayoutTests:

Add a test case for cancel vibration after page visibility is changed to hidden status.
In addition, move navigator-vibration.html to vibration directory.

* platform/gtk/TestExpectations:
* platform/mac/TestExpectations:
* platform/qt/TestExpectations:
* platform/win/TestExpectations:
* vibration/cancelVibration-after-pagevisibility-changed-to-hidden-expected.txt: Added.
* vibration/cancelVibration-after-pagevisibility-changed-to-hidden.html: Added.
* vibration/navigator-vibration-expected.txt: Renamed from LayoutTests/fast/dom/navigator-vibration-expected.txt.
* vibration/navigator-vibration.html: Renamed from LayoutTests/fast/dom/navigator-vibration.html.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@151727 268f45cc-cd09-0410-ab3c-d52691b4dbfc