Paste popup is positioning properly during content scroll.

content/browser/renderer_host/input/touch_selection_controller.cc

Index: content/browser/renderer_host/input/touch_selection_controller.cc
diff --git a/content/browser/renderer_host/input/touch_selection_controller.cc b/content/browser/renderer_host/input/touch_selection_controller.cc
index 6fc01c275ef74a204e1e0f1a1535cc079b28d9ce..7a9da4226ceeb827c19557c34780ebbc2532e33e 100644
--- a/content/browser/renderer_host/input/touch_selection_controller.cc
+++ b/content/browser/renderer_host/input/touch_selection_controller.cc
@@ -86,7 +86,8 @@ void TouchSelectionController::OnSelectionBoundsChanged(
     return;
   }
 
-  HideAndDisallowShowingAutomatically();
+  if (last_input_event_type_ != LONG_PRESS)

[jdduke (slow), 2014/08/02 14:23:00]

Did you change this? This looks wrong, and it's confusing to combine such a
change with a rebase.

[AKVT, 2014/08/04 13:45:32]

Corrected the condition to show the insertion handle if we long press on an
empty edit field, because Paste Popup position depends on insertion handle
position. So resize time insertion handle position will gets used for
positioning Paste Popup correctly.

+    HideAndDisallowShowingAutomatically();
 }
 
 bool TouchSelectionController::WillHandleTouchEvent(
@@ -183,8 +184,10 @@ bool TouchSelectionController::Animate(base::TimeTicks frame_time) {
 }
 
 void TouchSelectionController::OnHandleDragBegin(const TouchHandle& handle) {
-  if (&handle == insertion_handle_.get())
+  if (&handle == insertion_handle_.get()) {
+    client_->OnSelectionEvent(INSERTION_DRAG_STARTED, GetStartPosition());
     return;
+  }
 
   if (&handle == start_selection_handle_.get()) {
     fixed_handle_position_ = end_selection_handle_->position() -