Remove default source from MotionEventSynthetizerImpl

The used source class was causing several performance regressions.

Bug: 874363, 874365
Change-Id: I697f4380c978aa6c7dbc6d41759bfbbdae0878db
Reviewed-on: https://chromium-review.googlesource.com/1176379Reviewed-by: Jinsuk Kim <jinsukkim@chromium.org>
Commit-Queue: Aldo Culquicondor <acondor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584442}

content/public/android/java/src/org/chromium/content/browser/MotionEventSynthesizerImpl.java

@@ -4,7 +4,6 @@
 
 package org.chromium.content.browser;
 
-import android.view.InputDevice;
 import android.view.MotionEvent;
 import android.view.MotionEvent.PointerCoords;
 import android.view.MotionEvent.PointerProperties;
@@ -17,7 +16,6 @@ import org.chromium.content_public.browser.MotionEventSynthesizer;
  */
 public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
     private static final int MAX_NUM_POINTERS = 16;
-    private static final int SOURCE = InputDevice.SOURCE_CLASS_POINTER;
 
     private final PointerProperties[] mPointerProperties;
     private final PointerCoords[] mPointerCoords;
@@ -100,7 +98,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
                 mDownTimeInMs = timeInMs;
                 MotionEvent event =
                         MotionEvent.obtain(mDownTimeInMs, timeInMs, MotionEvent.ACTION_DOWN, 1,
-                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
                 mTarget.dispatchTouchEvent(event);
                 event.recycle();
 
@@ -111,7 +109,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
                     int pointerIndex = 1 << MotionEvent.ACTION_POINTER_INDEX_SHIFT;
                     event = MotionEvent.obtain(mDownTimeInMs, timeInMs,
                             MotionEvent.ACTION_POINTER_DOWN | pointerIndex, pointerCount,
-                            mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                            mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
                     mTarget.dispatchTouchEvent(event);
                     event.recycle();
                 }
@@ -120,7 +118,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
             case MotionEventAction.MOVE: {
                 MotionEvent event = MotionEvent.obtain(mDownTimeInMs, timeInMs,
                         MotionEvent.ACTION_MOVE, pointerCount, mPointerProperties, mPointerCoords,
-                        0, 0, 1, 1, 0, 0, SOURCE, 0);
+                        0, 0, 1, 1, 0, 0, 0, 0);
                 mTarget.dispatchTouchEvent(event);
                 event.recycle();
                 break;
@@ -128,7 +126,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
             case MotionEventAction.CANCEL: {
                 MotionEvent event =
                         MotionEvent.obtain(mDownTimeInMs, timeInMs, MotionEvent.ACTION_CANCEL, 1,
-                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
                 mTarget.dispatchTouchEvent(event);
                 event.recycle();
                 break;
@@ -141,14 +139,14 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
                     int pointerIndex = 1 << MotionEvent.ACTION_POINTER_INDEX_SHIFT;
                     MotionEvent event = MotionEvent.obtain(mDownTimeInMs, timeInMs,
                             MotionEvent.ACTION_POINTER_UP | pointerIndex, pointerCount,
-                            mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                            mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
                     mTarget.dispatchTouchEvent(event);
                     event.recycle();
                 }
 
                 MotionEvent event =
                         MotionEvent.obtain(mDownTimeInMs, timeInMs, MotionEvent.ACTION_UP, 1,
-                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
                 mTarget.dispatchTouchEvent(event);
                 event.recycle();
                 break;
@@ -157,7 +155,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
                 assert pointerCount == 1;
                 MotionEvent event = MotionEvent.obtain(mDownTimeInMs, timeInMs,
                         MotionEvent.ACTION_SCROLL, pointerCount, mPointerProperties, mPointerCoords,
-                        0, 0, 1, 1, 0, 0, SOURCE, 0);
+                        0, 0, 1, 1, 0, 0, 0, 0);
                 mTarget.dispatchGenericMotionEvent(event);
                 event.recycle();
                 break;
@@ -181,7 +179,7 @@ public class MotionEventSynthesizerImpl implements MotionEventSynthesizer {
         if (MotionEventAction.HOVER_EXIT == action) androidAction = MotionEvent.ACTION_HOVER_EXIT;
         if (MotionEventAction.HOVER_MOVE == action) androidAction = MotionEvent.ACTION_HOVER_MOVE;
         MotionEvent event = MotionEvent.obtain(mDownTimeInMs, timeInMs, androidAction, pointerCount,
-                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, SOURCE, 0);
+                mPointerProperties, mPointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
         mTarget.dispatchGenericMotionEvent(event);
         event.recycle();
     }