Implement pointer lock API for out-of-process iframes.

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 226 matching lines @@
   // 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_; }
 
   // Called to notify the RenderWidget that it has lost the mouse lock.
   void LostMouseLock();
 
+  // Notifies the renderer that the widget lost the mouse lock.

[nasko, 2016/05/25 21:12:01]

nit: Either "renderer process" or "RenderWidget", so we are precise in comments.

[lfg, 2016/05/31 21:13:20]

Done.

+  void SendMouseLockLost();
+
   // 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)
   // Pause for a moment to wait for pending repaint or resize messages sent to
   // the renderer to arrive. If pending resize messages are for an old window
   // size, then also pump through a new resize message if there is time.
@@ skipping 552 matching lines @@
   base::TimeDelta new_content_rendering_delay_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_