Ensure that Service Worker clients are always returned in MRU order (1)

content/browser/renderer_host/render_widget_host_impl.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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <list>
 #include <map>
@@ skipping 212 matching lines @@
 
   // Indicates whether the RenderWidgetHost thinks it is focused.
   // This is different from RenderWidgetHostView::HasFocus() in the sense that
   // it reflects what the renderer process knows: it saves the state that is
   // sent/received.
   // RenderWidgetHostView::HasFocus() is checking whether the view is focused so
   // it is possible in some edge cases that a view was requested to be focused
   // but it failed, thus HasFocus() returns false.
   bool is_focused() const { return is_focused_; }
 
+  // Returns the time is_focused_ was last set to true.
+  base::TimeTicks LastFocusTime() const override;
+
   // Called to notify the RenderWidget that it has lost the mouse lock.
   virtual void LostMouseLock();
 
   // Noifies the RenderWidget of the current mouse cursor visibility state.
   void SendCursorVisibilityState(bool is_visible);
 
   // Notifies the RenderWidgetHost that the View was destroyed.
   void ViewDestroyed();
 
 #if defined(OS_MACOSX)
@@ skipping 565 matching lines @@
   // Indicates whether a RenderFramehost has ownership, in which case this
   // object does not self destroy.
   bool owned_by_render_frame_host_;
 
   // Indicates whether this RenderWidgetHost thinks is focused. This is trying
   // to match what the renderer process knows. It is different from
   // RenderWidgetHostView::HasFocus in that in that the focus request may fail,
   // causing HasFocus to return false when is_focused_ is true.
   bool is_focused_;
 
+  // Indicates the time when is_focused_ was last set to true.
+  base::TimeTicks last_focus_time_;
+
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_