Relands: Telemetry: hooks "chrome.gpuBenchmarking.smoothScrollBy" with java on android.

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index 55af0fde25a8bbb6e215aaaee8ffbdcde197054b..a4f79a801333dbe99aa7a54da9ba550b5bb922a5 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -599,6 +599,17 @@ void ContentViewCoreImpl::RequestExternalVideoSurface(int player_id) {
       env, obj.obj(), static_cast<jint>(player_id));
 }
 
+ScopedJavaLocalRef<jobject> ContentViewCoreImpl::CreateSmoothScroller(
+    bool scroll_down, int mouse_event_x, int mouse_event_y) {
+  JNIEnv* env = AttachCurrentThread();
+
+  ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
+  if (obj.is_null())
+    return ScopedJavaLocalRef<jobject>();
+  return Java_ContentViewCore_createSmoothScroller(
+      env, obj.obj(), scroll_down, mouse_event_x, mouse_event_y);
+}
+
 void ContentViewCoreImpl::NotifyGeometryChange(int player_id,
                                                const gfx::RectF& rect) {
   JNIEnv* env = AttachCurrentThread();