[refactor] Removing the dead method RenderWidgetHostView::GetSelectedText()

content/browser/renderer_host/render_widget_host_view_mus.cc

 // Copyright 2015 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_mus.h"
 
 #include <utility>
 
 #include "build/build_config.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ skipping 118 matching lines @@
 }
 
 void RenderWidgetHostViewMus::Destroy() {
   delete aura_window_;
 }
 
 gfx::Size RenderWidgetHostViewMus::GetPhysicalBackingSize() const {
   return RenderWidgetHostViewBase::GetPhysicalBackingSize();
 }
 
-base::string16 RenderWidgetHostViewMus::GetSelectedText() const {
-  NOTIMPLEMENTED();
-  return base::string16();
-}
-
 void RenderWidgetHostViewMus::SetTooltipText(
     const base::string16& tooltip_text) {
   // TOOD(fsamuel): Ask window manager for tooltip?
 }
 
 void RenderWidgetHostViewMus::InitAsChild(gfx::NativeView parent_view) {
   aura_window_ = new aura::Window(nullptr);
   aura_window_->SetType(ui::wm::WINDOW_TYPE_CONTROL);
   aura_window_->Init(ui::LAYER_SOLID_COLOR);
   aura_window_->SetName("RenderWidgetHostViewMus");
@@ skipping 151 matching lines @@
 
 void RenderWidgetHostViewMus::OnWindowInputEvent(
     ui::Window* window,
     const ui::Event& event,
     std::unique_ptr<base::Callback<void(ui::mojom::EventResult)>>*
         ack_callback) {
   // TODO(sad): Dispatch |event| to the RenderWidgetHost.
 }
 
 }  // namespace content