ash: Refactor of TouchTransformerController

ash/touch/touch_transformer_controller.h

Index: ash/touch/touch_transformer_controller.h
diff --git a/ash/touch/touch_transformer_controller.h b/ash/touch/touch_transformer_controller.h
index 1ca7acf918b08bb9a91ed426e71cf68d56e1d4d1..45d1a91d62f1431ef903473aabdb2dd90b475c89 100644
--- a/ash/touch/touch_transformer_controller.h
+++ b/ash/touch/touch_transformer_controller.h
@@ -61,6 +61,16 @@ class ASH_EXPORT TouchTransformerController
       const DisplayInfo& touch_display,
       const ui::TouchscreenDevice& touch_device) const;
 
+  // For the provided |display| update the touch touch radius mapping.

[Daniel Erat, 2015/05/13 15:41:23]

you have an extra "touch" in this comment

+  void UpdateTouchRadius(const DisplayInfo& display) const;
+
+  // For a given |target_display| and |target_display_id| (which will be
+  // different in the case of non-software mirroring) update the touch
+  // transformation based on the touch device associated with |touch_display|.
+  void UpdateTouchTransform(int64_t target_display_id,

[dnicoara, 2015/05/13 16:04:16]

nit: Would you mind adding a description on what each parameter represent and
how they are related?

+                            const DisplayInfo& touch_display,
+                            const DisplayInfo& target_display) const;
+
   DISALLOW_COPY_AND_ASSIGN(TouchTransformerController);
 };