Refactor frame navigation/detach state cleanup to be more sane.

Source/web/tests/FrameTestHelpers.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 22 matching lines @@
 
 #include "platform/testing/URLTestHelpers.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebData.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebThread.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/WebURLResponse.h"
 #include "public/platform/WebUnitTestSupport.h"
+#include "public/web/WebRemoteFrame.h"
 #include "public/web/WebSettings.h"
 #include "public/web/WebViewClient.h"
 #include "web/WebLocalFrameImpl.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 namespace FrameTestHelpers {
 
 namespace {
 
@@ skipping 260 matching lines @@
         // runPendingTasks only ensures that main thread task queue is empty,
         // and asynchronous parsing make use of off main thread HTML parser.
         testing::runPendingTasks();
         if (!isLoading())
             break;
 
         Platform::current()->yieldCurrentThread();
     }
 }
 
+TestWebRemoteFrameClient::TestWebRemoteFrameClient()
+    : m_frame(WebRemoteFrame::create(this))
+{
+}
+
+void TestWebRemoteFrameClient::frameDetached()
+{
+    if (m_frame->parent())
+        m_frame->parent()->removeChild(m_frame);
+    m_frame->close();
+}
+
 void TestWebViewClient::initializeLayerTreeView()
 {
     m_layerTreeView = adoptPtr(Platform::current()->unitTestSupport()->createLayerTreeViewForTesting());
     ASSERT(m_layerTreeView);
 }
 
 } // namespace FrameTestHelpers
 } // namespace blink