Autofill - get rid of one more RenderViewObserver method.

chrome/browser/ui/autofill/chrome_autofill_client.h

 // Copyright 2014 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_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 #define CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/scoped_observer.h"
 #include "components/autofill/core/browser/autofill_client.h"
 #include "components/ui/zoom/zoom_observer.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
+#include "ui/gfx/display_observer.h"
+#include "ui/gfx/screen.h"
 
 namespace content {
 struct FrameNavigateParams;
 struct LoadCommittedDetails;
 class WebContents;
 }
 
 namespace autofill {
 
 class AutofillDialogController;
 class AutofillKeystoneBridgeWrapper;
 class AutofillPopupControllerImpl;
 class CreditCardScannerController;
 struct FormData;
 
 // Chrome implementation of AutofillClient.
 class ChromeAutofillClient
     : public AutofillClient,
       public content::WebContentsUserData<ChromeAutofillClient>,
       public content::WebContentsObserver,
-      public ui_zoom::ZoomObserver {
+      public ui_zoom::ZoomObserver,
+      public gfx::DisplayObserver {
  public:
   ~ChromeAutofillClient() override;
 
   // Called when the tab corresponding to |this| instance is activated.
   void TabActivated();
 
   // AutofillClient:
   PersonalDataManager* GetPersonalDataManager() override;
   scoped_refptr<AutofillWebDataService> GetDatabase() override;
   PrefService* GetPrefs() override;
@@ skipping 23 matching lines @@
                              const base::string16& profile_full_name) override;
   void OnFirstUserGestureObserved() override;
 
   // content::WebContentsObserver implementation.
   void WebContentsDestroyed() override;
 
   // ZoomObserver implementation.
   void OnZoomChanged(
       const ui_zoom::ZoomController::ZoomChangedEventData& data) override;
 
+  // gfx::DisplayObserver implementation.
+  void OnDisplayAdded(const gfx::Display& new_display) override;
+  void OnDisplayRemoved(const gfx::Display& old_display) override;
+  void OnDisplayMetricsChanged(const gfx::Display& display,
+                               uint32_t changed_metrics) override;
+
   // Exposed for testing.
   AutofillDialogController* GetDialogControllerForTesting() {
     return dialog_controller_.get();
   }
   void SetDialogControllerForTesting(
       const base::WeakPtr<AutofillDialogController>& dialog_controller) {
     dialog_controller_ = dialog_controller;
   }
 
  private:
@@ skipping 20 matching lines @@
   //
   // The class of this member must remain a forward declaration, even in the
   // .cc implementation file, since the class is defined in a Mac-only
   // implementation file. This means that the pointer cannot be wrapped in a
   // scoped_ptr.
   AutofillKeystoneBridgeWrapper* bridge_wrapper_;
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
   base::WeakPtrFactory<ChromeAutofillClient> weak_pointer_factory_;
 
+  ScopedObserver<gfx::Screen, gfx::DisplayObserver> screen_observer_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeAutofillClient);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_CHROME_AUTOFILL_CLIENT_H_