Implement DeviceOrientationEvent constructor.

third_party/WebKit/Source/modules/device_orientation/DeviceOrientationData.cpp

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 #include "modules/device_orientation/DeviceOrientationData.h"
+
+#include "modules/device_orientation/DeviceOrientationEventInit.h"
 #include "public/platform/modules/device_orientation/WebDeviceOrientationData.h"
 
 namespace blink {
 
 DeviceOrientationData* DeviceOrientationData::create() {
   return new DeviceOrientationData;
 }
 
 DeviceOrientationData* DeviceOrientationData::create(
     const Nullable<double>& alpha,
     const Nullable<double>& beta,
     const Nullable<double>& gamma,
     bool absolute) {
   return new DeviceOrientationData(alpha, beta, gamma, absolute);
 }
 
 DeviceOrientationData* DeviceOrientationData::create(
+    const DeviceOrientationEventInit& init) {
+  Nullable<double> alpha;
+  Nullable<double> beta;
+  Nullable<double> gamma;
+  if (init.hasAlpha())
+    alpha = init.alpha();
+  if (init.hasBeta())
+    beta = init.beta();
+  if (init.hasGamma())
+    gamma = init.gamma();
+  return DeviceOrientationData::create(alpha, beta, gamma, init.absolute());
+}
+
+DeviceOrientationData* DeviceOrientationData::create(
     const WebDeviceOrientationData& data) {
   Nullable<double> alpha;
   Nullable<double> beta;
   Nullable<double> gamma;
   if (data.hasAlpha)
     alpha = data.alpha;
   if (data.hasBeta)
     beta = data.beta;
   if (data.hasGamma)
     gamma = data.gamma;
@@ skipping 34 matching lines @@
 
 bool DeviceOrientationData::canProvideGamma() const {
   return !m_gamma.isNull();
 }
 
 bool DeviceOrientationData::canProvideEventData() const {
   return canProvideAlpha() || canProvideBeta() || canProvideGamma();
 }
 
 }  // namespace blink