Support window.opener after a process swap.

chrome/renderer/chrome_render_view_observer.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 "chrome/renderer/chrome_render_view_observer.h"
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 146 matching lines @@
 
   // Filter only.
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderViewObserver, message)
     IPC_MESSAGE_HANDLER(ViewMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(ViewMsg_SetIsPrerendering, OnSetIsPrerendering);
   IPC_END_MESSAGE_MAP()
 
   return handled;
 }
 
+bool ChromeRenderViewObserver::CanSendWhileSwappedOut(IPC::Message* message) {
+  switch (message->type()) {
+    case ViewHostMsg_DomOperationResponse::ID:
+      return true;
+    default:
+      break;
+  }
+  return false;
+}
+
 void ChromeRenderViewObserver::OnCaptureSnapshot() {
   SkBitmap snapshot;
   bool error = false;
 
   WebFrame* main_frame = render_view()->webview()->mainFrame();
   if (!main_frame)
     error = true;
 
   if (!error && !CaptureSnapshot(render_view()->webview(), &snapshot))
     error = true;
@@ skipping 508 matching lines @@
   if (net::DataURL::Parse(url, &mime_type, &char_set, &data) && !data.empty()) {
     // Decode the favicon using WebKit's image decoder.
     webkit_glue::ImageDecoder decoder(gfx::Size(kFaviconSize, kFaviconSize));
     const unsigned char* src_data =
         reinterpret_cast<const unsigned char*>(&data[0]);
 
     return decoder.Decode(src_data, data.size());
   }
   return SkBitmap();
 }