Move web modal dialog manager files into the constrained_window component.

components/web_modal/web_contents_modal_dialog_manager.h

 // Copyright 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 COMPONENTS_WEB_MODAL_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
 #define COMPONENTS_WEB_MODAL_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_
 
 #include <deque>
 #include <memory>
 
@@ skipping 15 matching lines @@
  public:
   ~WebContentsModalDialogManager() override;
 
   WebContentsModalDialogManagerDelegate* delegate() const { return delegate_; }
   void SetDelegate(WebContentsModalDialogManagerDelegate* d);
 
   static SingleWebContentsDialogManager* CreateNativeWebModalManager(
       gfx::NativeWindow dialog,
       SingleWebContentsDialogManagerDelegate* native_delegate);
 
-  // Shows the dialog as a web contents modal dialog. The dialog will notify via
-  // WillClose() when it is being destroyed.
-  void ShowModalDialog(gfx::NativeWindow dialog);
-
   // Allow clients to supply their own native dialog manager. Suitable for
   // bubble clients.
   void ShowDialogWithManager(
       gfx::NativeWindow dialog,
       std::unique_ptr<SingleWebContentsDialogManager> manager);
 
   // Returns true if any dialogs are active and not closed.
   bool IsDialogActive() const;
 
   // Focus the topmost modal dialog.  IsDialogActive() must be true when calling
@@ skipping 66 matching lines @@
 
   // True while closing the dialogs on WebContents close.
   bool closing_all_dialogs_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsModalDialogManager);
 };
 
 }  // namespace web_modal
 
 #endif  // COMPONENTS_WEB_MODAL_WEB_CONTENTS_MODAL_DIALOG_MANAGER_H_