Fix software mirror mode on Ozone part 2/2

ui/events/devices/device_data_manager.h

Index: ui/events/devices/device_data_manager.h
diff --git a/ui/events/devices/device_data_manager.h b/ui/events/devices/device_data_manager.h
index 4896ad86fd23a85aaff02d76af937558e7bd324d..c2a8143b3dfade5f749f4081f40111a3f37b6e8b 100644
--- a/ui/events/devices/device_data_manager.h
+++ b/ui/events/devices/device_data_manager.h
@@ -40,6 +40,12 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
   void ApplyTouchTransformer(unsigned int touch_device_id, float* x, float* y);
   int64_t GetDisplayForTouchDevice(unsigned int touch_device_id) const;
 
+  // Sets/Gets the display that touches from |touch_device_id| should be
+  // redirected to.
+  void SetDestinationDisplayForTouchDevice(unsigned int touch_device_id,
+                                           int64_t destination_display_id);
+  int64_t GetDestinationDisplayForTouchDevice(unsigned int touch_device_id);

[oshima, 2015/02/27 02:37:43]

I'll leave this to sadrul, but I feel that the name is a bit too long.

MappedDisplay, LogicalDisplay or DestDisplay may work.

[pkotwicz, 2015/02/27 02:47:06]

I'm leaving this to Sadrul too

[oshima, 2015/02/27 20:45:31]

GetTargetdisplayForTouchDevice could be a good candidate.

+
   void UpdateTouchRadiusScale(unsigned int touch_device_id, double scale);
   void ApplyTouchRadiusScale(unsigned int touch_device_id, double* radius);
 
@@ -78,6 +84,8 @@ class EVENTS_DEVICES_EXPORT DeviceDataManager
 
   // Table to keep track of which display id is mapped to which touch device.
   int64_t touch_device_to_display_map_[kMaxDeviceNum];
+  // Index table to find the destination display id for a touch device.
+  int64_t touch_device_to_destination_display_map_[kMaxDeviceNum];
   // Index table to find the TouchTransformer for a touch device.
   gfx::Transform touch_device_transformer_map_[kMaxDeviceNum];