VR: Refresh controller handedness when resuming the controller.

chrome/browser/android/vr_shell/vr_controller.h

Index: chrome/browser/android/vr_shell/vr_controller.h
diff --git a/chrome/browser/android/vr_shell/vr_controller.h b/chrome/browser/android/vr_shell/vr_controller.h
index d3afda8513b8175f875e1b821eb8a4ecd6b454f0..7f6693e80911a731b1d852d1deed946ee55b0b02 100644
--- a/chrome/browser/android/vr_shell/vr_controller.h
+++ b/chrome/browser/android/vr_shell/vr_controller.h
@@ -42,9 +42,6 @@ class VrController {
   // Must be called when the Activity gets OnPause().
   void OnPause();
 
-  // Must be called when the GL renderer gets OnSurfaceCreated().
-  void Initialize(gvr_context* gvr_context);
-
   device::GvrGamepadData GetGamepadData();
 
   // Must be called when the GL renderer gets OnDrawFrame().
@@ -141,12 +138,14 @@ class VrController {
   // The last controller state (updated once per frame).
   std::unique_ptr<gvr::ControllerState> controller_state_;
 
+  std::unique_ptr<gvr::GvrApi> gvr_api_;
+
   float last_qx_;
   bool pinch_started_;
   bool zoom_in_progress_ = false;
   bool touch_position_changed_ = false;
 
-  // Handedness from user prefs (currently only read once on initialization)
+  // Handedness from user prefs.
   gvr::ControllerHandedness handedness_;
 
   // Current touch info after the extrapolation.