Remove unused fields from //content.

content/browser/renderer_host/render_view_host_impl.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_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 201 matching lines @@
     SiteInstance* instance,
     std::unique_ptr<RenderWidgetHostImpl> widget,
     RenderViewHostDelegate* delegate,
     int32_t main_frame_routing_id,
     bool swapped_out,
     bool has_initialized_audio_host)
     : render_widget_host_(std::move(widget)),
       frames_ref_count_(0),
       delegate_(delegate),
       instance_(static_cast<SiteInstanceImpl*>(instance)),
-      waiting_for_drag_context_response_(false),
       enabled_bindings_(0),
       page_id_(-1),
       is_active_(!swapped_out),
       is_swapped_out_(swapped_out),
       main_frame_routing_id_(main_frame_routing_id),
       is_waiting_for_close_ack_(false),
       sudden_termination_allowed_(false),
       render_view_termination_status_(base::TERMINATION_STATUS_STILL_RUNNING),
       virtual_keyboard_requested_(false),
       is_focused_element_editable_(false),
@@ skipping 1116 matching lines @@
   } else {
     render_view_ready_on_process_launch_ = true;
   }
 }
 
 void RenderViewHostImpl::RenderViewReady() {
   delegate_->RenderViewReady(this);
 }
 
 }  // namespace content