Remove 2-stage RenderWidget initialization

content/public/browser/render_process_host_observer.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
 #define CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_
 
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
 #include "content/common/content_export.h"
 
 namespace content {
 
 class RenderProcessHost;
 
 // An observer API implemented by classes which are interested
 // in RenderProcessHost lifecycle events.
 class CONTENT_EXPORT RenderProcessHostObserver {
  public:
+  // This method is invoked when the process was launched and the channel was
+  // connected. This is the earliest time it is safe to call Shutdown on the
+  // RenderProcessHost and get RenderProcessExited notifications.
+  virtual void RenderProcessReady(RenderProcessHost* host) {}
+
   // This method is invoked when the process is going to exit and should not be
   // used for further navigations. Note that this is a COURTESY callback, not
   // guaranteed to be called for any particular process. Because this is the
   // first step in an orderly shutdown of a render process, do not expect that
   // a new render process will be hosted with this RenderProcessHost.
   virtual void RenderProcessWillExit(RenderProcessHost* host) {}
 
   // This method is invoked when the process of the observed RenderProcessHost
   // exits (either normally or with a crash). To determine if the process closed
   // normally or crashed, examine the |status| parameter.
@@ skipping 17 matching lines @@
   // delete it.
   virtual void RenderProcessHostDestroyed(RenderProcessHost* host) {}
 
  protected:
   virtual ~RenderProcessHostObserver() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_RENDER_PROCESS_HOST_OBSERVER_H_