ui: Cleanup class/struct forward declarations

chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java b/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java
index 45df4358f5e00d58647dcec3858cfed87ce476f6..2ecd0fc64a1c5b925d499f4a171b899554fa3377 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/eventfilter/OverlayPanelEventFilter.java
@@ -191,6 +191,7 @@ public class OverlayPanelEventFilter extends GestureEventFilter {
                 mPanel.notifyBarTouched(e.getX() * mPxToDp);
             }
             mSwipeRecognizer.onTouchEvent(e);
+            mGestureDetector.onTouchEvent(e);
             return true;
         }
 
@@ -549,6 +550,16 @@ public class OverlayPanelEventFilter extends GestureEventFilter {
      */
     private class InternalGestureDetector extends GestureDetector.SimpleOnGestureListener {
         @Override
+        public void onLongPress(MotionEvent e) {
+            mPanel.onLongPress(e.getX() * mPxToDp, e.getY() * mPxToDp);
+        }
+
+        @Override
+        public void onShowPress(MotionEvent e) {
+            mPanel.onShowPress(e.getX() * mPxToDp, e.getY() * mPxToDp);
+        }
+
+        @Override
         public boolean onSingleTapUp(MotionEvent e) {
             // TODO(mdjones): Investigate how this is ever the case. The API docs do not say this
             // can happen (https://crbug.com/613069).