Support window.opener after a process swap.

content/browser/renderer_host/render_widget_host.cc

 // Copyright (c) 2011 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.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 282 matching lines @@
   // By invoking WasResized the renderer is updated as necessary. WasResized
   // does nothing if the sizes are already in sync.
   //
   // TODO: ideally ViewMsg_WasRestored would take a size. This way, the renderer
   // could handle both the restore and resize at once. This isn't that big a
   // deal as RenderWidget::WasRestored delays updating, so that the resize from
   // WasResized is usually processed before the renderer is painted.
   WasResized();
 }
 
+void RenderWidgetHost::WasSwappedOut() {

[Charlie Reis, 2011/04/29 17:53:53]

I also moved this to RenderViewHost, since we don't have any other swapped out
logic in this class.  (It's handled by RenderWidget, but that doesn't matter
here.)

+  // Don't bother reporting hung state anymore.
+  StopHangMonitorTimeout();
+
+  // Inform the renderer that it can exit if no one else is using it.
+  Send(new ViewMsg_WasSwappedOut(routing_id_));
+}
+
 void RenderWidgetHost::WasResized() {
   if (resize_ack_pending_ || !process_->HasConnection() || !view_ ||
       !renderer_initialized_) {
     return;
   }
 
 #if !defined(OS_MACOSX)
   gfx::Size new_size = view_->GetViewBounds().size();
 #else
   // When UI scaling is enabled on OS X, allocate a smaller bitmap and
@@ skipping 977 matching lines @@
     view_->CreatePluginContainer(deferred_plugin_handles_[i]);
 #endif
   }
 
   deferred_plugin_handles_.clear();
 }
 
 void RenderWidgetHost::StartUserGesture() {
   OnUserGesture();
 }