Absolute Device Orientation API: blink implementation.

third_party/WebKit/LayoutTests/fast/dom/DeviceOrientation/resources/basic-operation.js

+// This test can be used to test device orientation event types: 'deviceorientation' and 'deviceorientationabsolute'.
+function testBasicOperation(eventType) {
+    window.jsTestIsAsync = true;
+    if (!window.testRunner)
+        debug('This test can not be run without the TestRunner');
+
+    mockAlpha = 1.1;
+    mockBeta = 2.2;
+    mockGamma = 3.3;
+    mockAbsolute = true;
+    testRunner.setMockDeviceOrientation(true, mockAlpha, true, mockBeta, true, mockGamma, true, mockAbsolute);
+
+    window.addEventListener(eventType, function(e) {
+        event = e;
+        shouldBe('event.alpha', 'mockAlpha');
+        shouldBe('event.beta', 'mockBeta');
+        shouldBe('event.gamma', 'mockGamma');
+        shouldBe('event.absolute', 'mockAbsolute');
+        finishJSTest();
+    });
+}
+