Increase device orientation event frequency to 60 Hz. Change constants

content/browser/device_sensors/sensor_manager_android.cc

Index: content/browser/device_sensors/sensor_manager_android.cc
diff --git a/content/browser/device_sensors/sensor_manager_android.cc b/content/browser/device_sensors/sensor_manager_android.cc
index eaaac2df39512f287f053814838ba0d943fb8a8b..abc37927dabd33130e233fca062e4310a980404c 100644
--- a/content/browser/device_sensors/sensor_manager_android.cc
+++ b/content/browser/device_sensors/sensor_manager_android.cc
@@ -150,14 +150,14 @@ void SensorManagerAndroid::GotLight(JNIEnv*, jobject, double value) {
 
 bool SensorManagerAndroid::Start(EventType event_type) {
   DCHECK(!device_sensors_.is_null());
-  int rate_in_milliseconds = (event_type == kTypeLight)
-                                 ? kLightSensorIntervalMillis
-                                 : kInertialSensorIntervalMillis;
+  int rate_in_microseconds = (event_type == kTypeLight)

[timvolodine, 2014/09/26 13:09:16]

int64?

+                                 ? kLightSensorIntervalMicroseconds
+                                 : kInertialSensorIntervalMicroseconds;
   return Java_DeviceSensors_start(AttachCurrentThread(),
                                   device_sensors_.obj(),
                                   reinterpret_cast<intptr_t>(this),
                                   static_cast<jint>(event_type),
-                                  rate_in_milliseconds);
+                                  rate_in_microseconds);

[timvolodine, 2014/09/26 13:09:16]

also if you are using int64, the java interface should be a long.

 }
 
 void SensorManagerAndroid::Stop(EventType event_type) {
@@ -250,7 +250,8 @@ void SensorManagerAndroid::CheckMotionBufferReadyToRead() {
       received_motion_data_[RECEIVED_MOTION_DATA_ROTATION_RATE] ==
       number_active_device_motion_sensors_) {
     device_motion_buffer_->seqlock.WriteBegin();
-    device_motion_buffer_->data.interval = kInertialSensorIntervalMillis;
+    device_motion_buffer_->data.interval =
+        kInertialSensorIntervalMicroseconds / 1000.;
     device_motion_buffer_->seqlock.WriteEnd();
     SetMotionBufferReadyStatus(true);