Revert restartInput change off the M57 release branch.

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 8f0cc79c87c35a193477999cf1ce788d501540ca..c9c96020374b2dce191516def4b2f28aee7e017a 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -5144,9 +5144,6 @@ void RenderFrameImpl::FocusedNodeChanged(const WebNode& node) {
   }
   Send(new FrameHostMsg_FocusedNodeChanged(routing_id_, is_editable,
                                            node_bounds));
-  // Ensures that further text input state can be sent even when previously
-  // focused input and the newly focused input share the exact same state.
-  GetRenderWidget()->ClearTextInputState();
 
   for (auto& observer : observers_)
     observer.FocusedNodeChanged(node);