[DevTools] Unpause renderer when paused RenderFrame is closed.

content/renderer/render_widget.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_WIDGET_H_
 #define CONTENT_RENDERER_RENDER_WIDGET_H_
 
 #include <deque>
 #include <map>
 
@@ skipping 362 matching lines @@
   // active RenderWidgets.
   void SetSwappedOut(bool is_swapped_out);
 
   // Allows the process to exit once the unload handler has finished, if there
   // are no other active RenderWidgets.
   void WasSwappedOut();
 
   void FlushPendingInputEventAck();
   void DoDeferredClose();
   void DoDeferredSetWindowRect(const blink::WebRect& pos);
+  void NotifyOnClose();
 
   // Resizes the render widget.
   void Resize(const gfx::Size& new_size,
               const gfx::Size& physical_backing_size,
               bool top_controls_shrink_blink_size,
               float top_controls_height,
               const gfx::Size& visible_viewport_size,
               const gfx::Rect& resizer_rect,
               bool is_fullscreen,
               ResizeAck resize_ack);
@@ skipping 409 matching lines @@
   ui::MenuSourceType context_menu_source_type_;
   bool has_host_context_menu_location_;
   gfx::Point host_context_menu_location_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidget);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_WIDGET_H_