Enable OrientationEvent only for android.

BUG=181136, 331337

Review URL: https://codereview.chromium.org/131913003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245210 0039d316-1c4b-4281-b951-d872f2087c98

content/child/runtime_features.cc

@@ -43,6 +43,7 @@ static void SetRuntimeFeatureDefaultsForPlatform() {
   // Android does not yet support NavigatorContentUtils.
   WebRuntimeFeatures::enableNavigatorContentUtils(false);
   WebRuntimeFeatures::enableTouchIconLoading(true);
+  WebRuntimeFeatures::enableOrientationEvent(true);
 #else
   WebRuntimeFeatures::enableNavigatorContentUtils(true);
 #endif  // defined(OS_ANDROID)