Vibration API: use runtime flag, change from client to platform.

Source/modules/vibration/NavigatorVibration.cpp

Index: Source/modules/vibration/NavigatorVibration.cpp
diff --git a/Source/modules/vibration/NavigatorVibration.cpp b/Source/modules/vibration/NavigatorVibration.cpp
index 4e9889d56f93dc41e2f93d2260ad390c1d38d247..8ddbfed526e39256623fd5ae13ffa929107701d1 100644
--- a/Source/modules/vibration/NavigatorVibration.cpp
+++ b/Source/modules/vibration/NavigatorVibration.cpp
@@ -20,9 +20,6 @@
 #include "config.h"
 #include "modules/vibration/NavigatorVibration.h"
 
-#if ENABLE(VIBRATION)
-
-#include "core/dom/ExceptionCode.h"
 #include "core/page/Frame.h"
 #include "core/page/Navigator.h"
 #include "core/page/Page.h"
@@ -39,39 +36,30 @@ NavigatorVibration::~NavigatorVibration()
 {
 }
 
-void NavigatorVibration::vibrate(Navigator* navigator, unsigned time, ExceptionCode& ec)
+void NavigatorVibration::vibrate(Navigator* navigator, unsigned time)
 {
-    if (!navigator->frame()->page())
-        return;
+    Page* page = navigator->frame()->page();
 
-    if (navigator->frame()->page()->visibilityState() == PageVisibilityStateHidden)
+    if (!page)
         return;
 
-    if (!Vibration::isActive(navigator->frame()->page())) {
-        ec = NOT_SUPPORTED_ERR;
+    if (page->visibilityState() == PageVisibilityStateHidden)
         return;
-    }
 
-    Vibration::from(navigator->frame()->page())->vibrate(time);
+    Vibration::from(page)->vibrate(time);
 }
 
-void NavigatorVibration::vibrate(Navigator* navigator, const VibrationPattern& pattern, ExceptionCode& ec)
+void NavigatorVibration::vibrate(Navigator* navigator, const VibrationPattern& pattern)
 {
-    if (!navigator->frame()->page())
-        return;
+    Page* page = navigator->frame()->page();
 
-    if (navigator->frame()->page()->visibilityState() == PageVisibilityStateHidden)
+    if (!page)
         return;
 
-    if (!Vibration::isActive(navigator->frame()->page())) {
-        ec = NOT_SUPPORTED_ERR;
+    if (page->visibilityState() == PageVisibilityStateHidden)
         return;
-    }
 
-    Vibration::from(navigator->frame()->page())->vibrate(pattern);
+    Vibration::from(page)->vibrate(pattern);
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(VIBRATION)
-