Update TextSelection for non-user initiated events

content/browser/renderer_host/render_widget_host_view_aura.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/render_widget_host_view_aura.h"
 
 #include <set>
 #include <utility>
 
 #include "base/auto_reset.h"
@@ skipping 2355 matching lines @@
       is_guest_view_hack_ ? this : GetFocusedWidget()
                                        ? GetFocusedWidget()->GetView()
                                        : nullptr;
 
   if (!focused_view)
     return;
 
 #if defined(USE_X11) && !defined(OS_CHROMEOS)
   const TextInputManager::TextSelection* selection =
       GetTextInputManager()->GetTextSelection(focused_view);
-  if (selection->selected_text().length()) {
+  if (selection->selected_text().length() && selection->user_initiated()) {
     // Set the CLIPBOARD_TYPE_SELECTION to the ui::Clipboard.
     ui::ScopedClipboardWriter clipboard_writer(ui::CLIPBOARD_TYPE_SELECTION);
     clipboard_writer.WriteText(selection->selected_text());
   }
 
 #elif defined(OS_WIN)
   // Some assistive software need to track the location of the caret.
   if (!GetRenderWidgetHost() || !legacy_render_widget_host_HWND_)
     return;
 
@@ skipping 19 matching lines @@
 }
 
 void RenderWidgetHostViewAura::UpdateNeedsBeginFramesInternal() {
   if (!delegated_frame_host_)
     return;
   delegated_frame_host_->SetNeedsBeginFrames(needs_begin_frames_ ||
                                              needs_flush_input_);
 }
 
 }  // namespace content