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 0d8b23bcfcfb58a6606734f729fed09d50d2d517..93d77c204e492790583f7a358593fa24f61792ff 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -607,6 +607,17 @@ void ContentViewCoreImpl::ShowDisambiguationPopup(
                                                java_bitmap.obj());
 }
 
+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);
+}
+
 gfx::Rect ContentViewCoreImpl::GetBounds() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> j_obj = java_ref_.get(env);