Get rid of a few more interfaces from RenderViewHostDelegate that aren't need...

chrome/browser/printing/print_view_manager.h

 // Copyright (c) 2006-2008 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 CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_
 #pragma once
 
 #include "base/ref_counted.h"
 #include "base/string16.h"
-#include "chrome/browser/renderer_host/render_view_host_delegate.h"
+#include "chrome/browser/tab_contents/web_navigation_observer.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 #include "printing/printed_pages_source.h"
 
 class RenderViewHost;
 class TabContents;
 struct ViewHostMsg_DidPrintPage_Params;
 
 namespace printing {
 
 class JobEventDetails;
 class PrintJob;
 class PrintJobWorkerOwner;
 
 // Manages the print commands in relation to a TabContents. TabContents
 // delegates a few printing related commands to this instance.
 class PrintViewManager : public NotificationObserver,
                          public PrintedPagesSource,
-                         public RenderViewHostDelegate::Printing {
+                         public WebNavigationObserver {
  public:
   explicit PrintViewManager(TabContents& owner);
   virtual ~PrintViewManager();
 
   // Cancels the print job.
   void Stop();
 
   // Terminates or cancels the print job if one was pending, depending on the
   // current state. Returns false if the renderer was not valuable.
   bool OnRenderViewGone(RenderViewHost* render_view_host);
 
   // PrintedPagesSource implementation.
   virtual string16 RenderSourceName();
   virtual GURL RenderSourceUrl();
 
-  // RenderViewHostDelegate::Printing implementation.
-  virtual void DidGetPrintedPagesCount(int cookie, int number_pages);
-  virtual void DidPrintPage(const ViewHostMsg_DidPrintPage_Params& params);
-
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
+  // WebNavigationObserver implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message);
+
  private:
+  void OnDidGetPrintedPagesCount(int cookie, int number_pages);
+  void OnDidPrintPage(const ViewHostMsg_DidPrintPage_Params& params);
+
   // Processes a NOTIFY_PRINT_JOB_EVENT notification.
   void OnNotifyPrintJobEvent(const JobEventDetails& event_details);
 
   // Requests the RenderView to render all the missing pages for the print job.
   // Noop if no print job is pending. Returns true if at least one page has been
   // requested to the renderer.
   bool RenderAllMissingPagesNow();
 
   // Quits the current message loop if these conditions hold true: a document is
   // loaded and is complete and waiting_for_pages_to_be_rendered_ is true. This
@@ skipping 57 matching lines @@
   // printing-related behavior. Still, access to the renderer is needed so a
   // back reference is kept the the "parent object".
   TabContents& owner_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintViewManager);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_VIEW_MANAGER_H_