SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index aa4d04c3eb76cee7cf85e9dd408003809b2ef877..01406f7ddf648d4b1c0ed52e5965de42536347da 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -272,6 +272,10 @@ class ContentViewCoreImpl : public ContentViewCore,
   void ShowDisambiguationPopup(
       const gfx::Rect& target_rect, const SkBitmap& zoomed_bitmap);
 
+  // Creates a java-side touch event, used for injecting touch event for
+  // testing/benchmarking purposes
+  base::android::ScopedJavaLocalRef<jobject> CreateTouchEventSynthesizer();
+
   // Creates a java-side touch gesture, e.g. used by
   // chrome.gpuBenchmarking.smoothScrollBy.
   base::android::ScopedJavaLocalRef<jobject> CreateOnePointTouchGesture(