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

Source/web/tests/FrameTestHelpers.cpp

Index: Source/web/tests/FrameTestHelpers.cpp
diff --git a/Source/web/tests/FrameTestHelpers.cpp b/Source/web/tests/FrameTestHelpers.cpp
index 54f33cd0c774db520b5d22bf4581c3763b60aa7e..b54cefe5a22fcaf1a2af90494c0fd1657a7a42ef 100644
--- a/Source/web/tests/FrameTestHelpers.cpp
+++ b/Source/web/tests/FrameTestHelpers.cpp
@@ -40,7 +40,6 @@
 #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"
@@ -321,18 +320,6 @@
     }
 }
 
-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());