Make ViewRoot the top of the ViewAndroid tree

ui/android/java/src/org/chromium/ui/base/ViewRoot.java

 // Copyright 2017 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.
 
 package org.chromium.ui.base;
 
 import android.view.MotionEvent;
 
 import org.chromium.base.annotations.JNINamespace;
 
@@ skipping 34 matching lines @@
                               pointerCount > 1 ? event.getTouchMinor(1) : 0};
 
         for (int i = 0; i < 2; i++) {
             if (touchMajor[i] < touchMinor[i]) {
                 float tmp = touchMajor[i];
                 touchMajor[i] = touchMinor[i];
                 touchMinor[i] = tmp;
             }
         }
 
-        return nativeOnTouchEvent(getNativePtr(), event,
-                event.getEventTime(), event.getActionMasked(),
-                pointerCount, event.getHistorySize(), event.getActionIndex(),
-                event.getX(), event.getY(),
-                pointerCount > 1 ? event.getX(1) : 0,
-                pointerCount > 1 ? event.getY(1) : 0,
-                event.getPointerId(0), pointerCount > 1 ? event.getPointerId(1) : -1,
-                touchMajor[0], touchMajor[1],
-                touchMinor[0], touchMinor[1],
-                event.getOrientation(), pointerCount > 1 ? event.getOrientation(1) : 0,
+        return nativeOnTouchEvent(getNativePointer(), event, event.getEventTime(),
+                event.getActionMasked(), pointerCount, event.getHistorySize(),
+                event.getActionIndex(), event.getX(), event.getY(),
+                pointerCount > 1 ? event.getX(1) : 0, pointerCount > 1 ? event.getY(1) : 0,
+                event.getPointerId(0), pointerCount > 1 ? event.getPointerId(1) : -1, touchMajor[0],
+                touchMajor[1], touchMinor[0], touchMinor[1], event.getOrientation(),
+                pointerCount > 1 ? event.getOrientation(1) : 0,
                 event.getAxisValue(MotionEvent.AXIS_TILT),
                 pointerCount > 1 ? event.getAxisValue(MotionEvent.AXIS_TILT, 1) : 0,
-                event.getRawX(), event.getRawY(),
-                event.getToolType(0),
+                event.getRawX(), event.getRawY(), event.getToolType(0),
                 pointerCount > 1 ? event.getToolType(1) : MotionEvent.TOOL_TYPE_UNKNOWN,
-                event.getButtonState(),
-                event.getMetaState(),
-                isTouchHandleEvent);
+                event.getButtonState(), event.getMetaState(), isTouchHandleEvent);
     }
 
-    public long getNativePtr() {
+    public long getNativePointer() {
         if (mNativeView == 0) mNativeView = nativeInit(mWindowAndroid.getNativePointer());
         return mNativeView;
     }
 
     public void destroy() {
         if (mNativeView != 0) {
             nativeDestroy(mNativeView);
             mNativeView = 0;
         }
     }
 
     private native long nativeInit(long windowNativePointer);
     private native void nativeDestroy(long nativeViewRoot);
 
     // All touch events (including flings, scrolls etc) accept coordinates in physical pixels.
     private native boolean nativeOnTouchEvent(
             long nativeViewRoot, MotionEvent event,
             long timeMs, int action, int pointerCount, int historySize, int actionIndex,
             float x0, float y0, float x1, float y1,
             int pointerId0, int pointerId1,
             float touchMajor0, float touchMajor1,
             float touchMinor0, float touchMinor1,
             float orientation0, float orientation1,
             float tilt0, float tilt1,
             float rawX, float rawY,
             int androidToolType0, int androidToolType1,
             int androidButtonState, int androidMetaState,
             boolean isTouchHandleEvent);
 }