Implement controller handling in vr_shell.cc

chrome/browser/android/vr_shell/vr_gesture.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_GESTURE_H_
 #define CHROME_BROWSER_ANDROID_VR_SHELL_VR_GESTURE_H_
 
 #include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/gvr-android-sdk/src/ndk-beta/include/vr/gvr/capi/include/gvr_types.h"
 
 using blink::WebInputEvent;
 
 namespace vr_shell {
 
 typedef struct {
   gvr_vec3f delta;
-  int type;
 } GestureAngularMove;
 
 typedef struct {
   gvr_vec2f delta;
 
   // If set, stop_fling means that this scroll should stop flinging, thus
   // if an interpreter suppresses it for any reason (e.g., rounds the size
   // down to 0, thus making it a noop), it will replace it with a Fling
   // TAP_DOWN gesture
   unsigned stop_fling : 1;
@@ skipping 17 matching lines @@
     GestureButtonsChange buttons;
     GestureAngularMove move;
   } details;
   gvr::Vec2f velocity;
   gvr::Vec2f displacement;
 };
 
 }  // namespace vr_shell
 
 #endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_GESTURE_H_