Revert of Update TextSelection for non-user initiated events

content/browser/frame_host/render_widget_host_view_guest.cc

 // Copyright 2014 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_widget_host_view_guest.h"
 
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 392 matching lines @@
         guest_->GetScreenCoordinates(character_bounds[i].origin()),
         character_bounds[i].size()));
   }
   // Forward the information to embedding RWHV.
   rwhv->ImeCompositionRangeChanged(range, guest_character_bounds);
 }
 #endif
 
 void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text,
                                                  size_t offset,
-                                                 const gfx::Range& range,
-                                                 bool user_initiated) {
+                                                 const gfx::Range& range) {
   RenderWidgetHostViewBase* view = should_forward_text_selection_
                                        ? GetOwnerRenderWidgetHostView()
                                        : platform_view_.get();
   if (view)
-    view->SelectionChanged(text, offset, range, user_initiated);
+    view->SelectionChanged(text, offset, range);
 }
 
 void RenderWidgetHostViewGuest::SelectionBoundsChanged(
     const ViewHostMsg_SelectionBounds_Params& params) {
   if (!guest_)
     return;
 
   RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView();
   if (!rwhv)
     return;
@@ skipping 223 matching lines @@
     host_->ForwardGestureEvent(gesture_event);
     return;
   }
 }
 
 bool RenderWidgetHostViewGuest::HasEmbedderChanged() {
   return guest_ && guest_->has_attached_since_surface_set();
 }
 
 }  // namespace content