Revert of Update TextSelection for non-user initiated events

content/browser/frame_host/render_frame_host_impl.cc

 // Copyright 2013 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/frame_host/render_frame_host_impl.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 2473 matching lines @@
     MhtmlSaveStatus save_status,
     const std::set<std::string>& digests_of_uris_of_serialized_resources,
     base::TimeDelta renderer_main_thread_time) {
   MHTMLGenerationManager::GetInstance()->OnSerializeAsMHTMLResponse(
       this, job_id, save_status, digests_of_uris_of_serialized_resources,
       renderer_main_thread_time);
 }
 
 void RenderFrameHostImpl::OnSelectionChanged(const base::string16& text,
                                              uint32_t offset,
-                                             const gfx::Range& range,
-                                             bool user_initiated) {
+                                             const gfx::Range& range) {
   has_selection_ = !text.empty();
-  GetRenderWidgetHost()->SelectionChanged(text, offset, range, user_initiated);
+  GetRenderWidgetHost()->SelectionChanged(text, offset, range);
 }
 
 void RenderFrameHostImpl::OnFocusedNodeChanged(
     bool is_editable_element,
     const gfx::Rect& bounds_in_frame_widget) {
   if (!GetView())
     return;
 
   has_focused_editable_element_ = is_editable_element;
   // First convert the bounds to root view.
@@ skipping 1463 matching lines @@
 }
 
 void RenderFrameHostImpl::ForwardGetInterfaceToRenderFrame(
     const std::string& interface_name,
     mojo::ScopedMessagePipeHandle pipe) {
   GetRemoteInterfaces()->GetInterface(interface_name, std::move(pipe));
 }
 #endif
 
 }  // namespace content