Oilpan: Move FrameLoaderClient class hierarchy into Oilpan heap.

Source/web/FrameLoaderClientImpl.cpp

Index: Source/web/FrameLoaderClientImpl.cpp
diff --git a/Source/web/FrameLoaderClientImpl.cpp b/Source/web/FrameLoaderClientImpl.cpp
index 56b861c1e761e5621da540a81f47a05ad8a60c72..1a2de48d499f6166c4f89a2b381f8c9b9a516897 100644
--- a/Source/web/FrameLoaderClientImpl.cpp
+++ b/Source/web/FrameLoaderClientImpl.cpp
@@ -109,10 +109,21 @@ FrameLoaderClientImpl::FrameLoaderClientImpl(WebLocalFrameImpl* frame)
 {
 }
 
+PassOwnPtrWillBeRawPtr<FrameLoaderClientImpl> FrameLoaderClientImpl::create(WebLocalFrameImpl* frame)
+{
+    return adoptPtrWillBeNoop(new FrameLoaderClientImpl(frame));
+}
+
 FrameLoaderClientImpl::~FrameLoaderClientImpl()
 {
 }
 
+DEFINE_TRACE(FrameLoaderClientImpl)
+{
+    visitor->trace(m_webFrame);
+    FrameLoaderClient::trace(visitor);
+}
+
 void FrameLoaderClientImpl::didCreateNewDocument()
 {
     if (m_webFrame->client())
@@ -322,7 +333,7 @@ void FrameLoaderClientImpl::detached(FrameDetachType type)
 {
     // Alert the client that the frame is being detached. This is the last
     // chance we have to communicate with the client.
-    RefPtrWillBeRawPtr<WebLocalFrameImpl> protector(m_webFrame);
+    RefPtrWillBeRawPtr<WebLocalFrameImpl> protector(m_webFrame.get());
 
     WebFrameClient* client = m_webFrame->client();
     if (!client)