Remove unused routing ID param from Did(Show|Destroy)FullscreenWidget.

ui/views/controls/webview/webview.h

Index: ui/views/controls/webview/webview.h
diff --git a/ui/views/controls/webview/webview.h b/ui/views/controls/webview/webview.h
index cac8ae65c611a3423a54246f16141758686a6728..e9914e6aa35d2ea56bb95972f47a7280c6c8e4a3 100644
--- a/ui/views/controls/webview/webview.h
+++ b/ui/views/controls/webview/webview.h
@@ -132,8 +132,8 @@ class WEBVIEW_EXPORT WebView : public View,
   void RenderViewHostChanged(content::RenderViewHost* old_host,
                              content::RenderViewHost* new_host) override;
   void WebContentsDestroyed() override;
-  void DidShowFullscreenWidget(int routing_id) override;
-  void DidDestroyFullscreenWidget(int routing_id) override;
+  void DidShowFullscreenWidget() override;
+  void DidDestroyFullscreenWidget() override;
   void DidToggleFullscreenModeForTab(bool entered_fullscreen,
                                      bool will_cause_resize) override;
   void DidAttachInterstitialPage() override;