Revert of Require WebLocalFrame to be created with a non-null client

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 417 matching lines @@
 
 void FrameLoaderClientImpl::dispatchDidNavigateWithinPage(HistoryItem* item, HistoryCommitType commitType, bool contentInitiated)
 {
     bool shouldCreateHistoryEntry = commitType == StandardCommit;
     // TODO(dglazkov): Does this need to be called for subframes?
     m_webFrame->viewImpl()->didCommitLoad(shouldCreateHistoryEntry, true);
     if (m_webFrame->client())
         m_webFrame->client()->didNavigateWithinPage(m_webFrame, WebHistoryItem(item), static_cast<WebHistoryCommitType>(commitType), contentInitiated);
 }
 
-void FrameLoaderClientImpl::dispatchWillCommitProvisionalLoad()
+void FrameLoaderClientImpl::dispatchWillClose()
 {
     if (m_webFrame->client())
-        m_webFrame->client()->willCommitProvisionalLoad(m_webFrame);
+        m_webFrame->client()->willClose(m_webFrame);
 }
 
 void FrameLoaderClientImpl::dispatchDidStartProvisionalLoad(double triggeringEventTime)
 {
     if (m_webFrame->client())
         m_webFrame->client()->didStartProvisionalLoad(m_webFrame, triggeringEventTime);
     if (WebDevToolsAgentImpl* devTools = devToolsAgent())
         devTools->didStartProvisionalLoad(m_webFrame->frame());
 }
 
@@ skipping 545 matching lines @@
 {
     return WebLocalFrameImpl::fromFrame(m_webFrame->frame()->localFrameRoot())->devToolsAgentImpl();
 }
 
 KURL FrameLoaderClientImpl::overrideFlashEmbedWithHTML(const KURL& url)
 {
     return m_webFrame->client()->overrideFlashEmbedWithHTML(WebURL(url));
 }
 
 } // namespace blink