Remove Battery Status API support code from Blink

LayoutTests/batterystatus/script-tests/window-property.js

Index: LayoutTests/batterystatus/script-tests/window-property.js
diff --git a/LayoutTests/batterystatus/script-tests/window-property.js b/LayoutTests/batterystatus/script-tests/window-property.js
deleted file mode 100644
index fefe376bc807c8a1d82c463bf3ff68362fb67521..0000000000000000000000000000000000000000
--- a/LayoutTests/batterystatus/script-tests/window-property.js
+++ /dev/null
@@ -1,23 +0,0 @@
-description('Tests that the window.navigator.battery properties are present.');
-
-function hasOnBatteryProperty()
-{
-    var result = 0;
-    for (var property in navigator.webkitBattery) {
-        if (property == 'onchargingchange' ||
-            property == 'onchargingtimechange' ||
-            property == 'ondischargingtimechange' ||
-            property == 'onlevelchange')
-            result += 1;
-    }
-    if (result == 4)
-        return true;
-    return false;
-}
-
-shouldBeTrue("typeof navigator.webkitBattery == 'object'");
-shouldBeTrue("hasOnBatteryProperty()");
-shouldBeTrue("navigator.webkitBattery.hasOwnProperty('onchargingchange')");
-shouldBeTrue("navigator.webkitBattery.hasOwnProperty('onchargingtimechange')");
-shouldBeTrue("navigator.webkitBattery.hasOwnProperty('ondischargingtimechange')");
-shouldBeTrue("navigator.webkitBattery.hasOwnProperty('onlevelchange')");