Pass through tilt_x and tilt_y to blink

ui/events/android/motion_event_android.h

 // Copyright 2014 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 UI_EVENTS_ANDROID_MOTION_EVENT_ANDROID_H_
 #define UI_EVENTS_ANDROID_MOTION_EVENT_ANDROID_H_
 
 #include <jni.h>
 #include <stddef.h>
 #include <stdint.h>
@@ skipping 22 matching lines @@
             jfloat touch_minor_pixels,
             jfloat orientation_rad,
             jfloat tilt_rad,
             jint tool_type);
     jint id;
     jfloat pos_x_pixels;
     jfloat pos_y_pixels;
     jfloat touch_major_pixels;
     jfloat touch_minor_pixels;
     jfloat orientation_rad;
     jfloat tilt_rad;

[use mustaq_at_chromium.org, 2017/05/15 19:46:53]

Add a comment here:
"Unlike the tilt angles in motion_event.h, this field matches the MotionEvent
spec because we get this values from Java."

     jint tool_type;
   };
 
   // Forcing the caller to provide all cached values upon construction
   // eliminates the need to perform a JNI call to retrieve values individually.
   MotionEventAndroid(JNIEnv* env,
                      jobject event,
                      jfloat pix_to_dip,
                      jfloat ticks_x,
                      jfloat ticks_y,
@@ skipping 21 matching lines @@
   size_t GetPointerCount() const override;
   int GetPointerId(size_t pointer_index) const override;
   float GetX(size_t pointer_index) const override;
   float GetY(size_t pointer_index) const override;
   float GetRawX(size_t pointer_index) const override;
   float GetRawY(size_t pointer_index) const override;
   float GetTouchMajor(size_t pointer_index) const override;
   float GetTouchMinor(size_t pointer_index) const override;
   float GetOrientation(size_t pointer_index) const override;
   float GetPressure(size_t pointer_index) const override;
-  float GetTilt(size_t pointer_index) const override;
+  float GetTiltX(size_t pointer_index) const override;
+  float GetTiltY(size_t pointer_index) const override;
   base::TimeTicks GetEventTime() const override;
   size_t GetHistorySize() const override;
   base::TimeTicks GetHistoricalEventTime(
       size_t historical_index) const override;
   float GetHistoricalTouchMajor(size_t pointer_index,
                                 size_t historical_index) const override;
   float GetHistoricalX(size_t pointer_index,
                        size_t historical_index) const override;
   float GetHistoricalY(size_t pointer_index,
                        size_t historical_index) const override;
@@ skipping 45 matching lines @@
   const int cached_button_state_;
   const int cached_flags_;
   const gfx::Vector2dF cached_raw_position_offset_;
   struct CachedPointer {
     CachedPointer();
     int id;
     gfx::PointF position;
     float touch_major;
     float touch_minor;
     float orientation;
-    float tilt;
+    float tilt_x;
+    float tilt_y;
     ToolType tool_type;
   } cached_pointers_[MAX_POINTERS_TO_CACHE];
 
   // A unique identifier for the Android motion event.
   const uint32_t unique_event_id_;
 
   // Disallow copy/assign.
   MotionEventAndroid(const MotionEventAndroid& e);  // private ctor
   void operator=(const MotionEventAndroid&) = delete;
 };
 
 }  // namespace content
 
 #endif  // UI_EVENTS_ANDROID_MOTION_EVENT_ANDROID_H_