Cleanup: Remove more uses of deprecated PrintPreviewDialogController methods.

chrome/test/base/test_tab_strip_model_observer.h

 // Copyright (c) 2012 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_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_
 #define CHROME_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "content/public/test/test_navigation_observer.h"
@@ skipping 12 matching lines @@
  public:
   // Observe the |tab_strip_model|, which may not be NULL. If
   // |load_start_observer| is non-NULL, notify when the page load starts.
   TestTabStripModelObserver(
       TabStripModel* tab_strip_model,
       content::JsInjectionReadyObserver* js_injection_ready_observer);
   virtual ~TestTabStripModelObserver();
 
  private:
   // Callback to observer the print preview dialog associated with |contents|.
-  void ObservePrintPreviewTabContents(content::WebContents* contents);
+  void ObservePrintPreviewDialog(content::WebContents* contents);
 
   // TabStripModelObserver:
   virtual void TabBlockedStateChanged(content::WebContents* contents,
                                       int index) OVERRIDE;
 
   // |tab_strip_model_| is the object this observes. The constructor will
   // register this as an observer, and the destructor will remove the observer.
   TabStripModel* tab_strip_model_;
 
   DISALLOW_COPY_AND_ASSIGN(TestTabStripModelObserver);
 };
 
 #endif  // CHROME_TEST_BASE_TEST_TAB_STRIP_MODEL_OBSERVER_H_