WebUI TaskManager: Add method to set minimum window size on HTMLDialog.

chrome/browser/ui/webui/html_dialog_ui.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_BROWSER_UI_WEBUI_HTML_DIALOG_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_UI_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 23 matching lines @@
 
 // Implement this class to receive notifications.
 class HtmlDialogUIDelegate {
  public:
   // Returns true if the contents needs to be run in a modal dialog.
   virtual ui::ModalType GetDialogModalType() const = 0;
 
   // Returns the title of the dialog.
   virtual string16 GetDialogTitle() const = 0;
 
+  // Returns the dialog's name identifier. Used to identify this dialog for
+  // state restoration.
+  virtual std::string GetDialogName() const;
+
   // Get the HTML file path for the content to load in the dialog.
   virtual GURL GetDialogContentURL() const = 0;
 
   // Get WebUIMessageHandler objects to handle messages from the HTML/JS page.
   // The handlers are used to send and receive messages from the page while it
   // is still open.  Ownership of each handler is taken over by the WebUI
   // hosting the page.
   virtual void GetWebUIMessageHandlers(
       std::vector<content::WebUIMessageHandler*>* handlers) const = 0;
 
   // Get the size of the dialog.
   virtual void GetDialogSize(gfx::Size* size) const = 0;
 
+  // Get the size of the dialog.
+  virtual void GetMinimumDialogSize(gfx::Size* size) const;
+
   // Gets the JSON string input to use when showing the dialog.
   virtual std::string GetDialogArgs() const = 0;
 
   // A callback to notify the delegate that |source|'s loading state has
   // changed.
   virtual void OnLoadingStateChanged(content::WebContents* source) {}
 
   // A callback to notify the delegate that the dialog closed.
   // IMPORTANT: Implementations should delete |this| here (unless they've
   // arranged for the delegate to be deleted in some other way, e.g. by
@@ skipping 92 matching lines @@
 // Intended to be the place to collect the settings and lockdowns
 // necessary for running external UI components securely (e.g., the
 // cloud print dialog).
 class ExternalHtmlDialogUI : public HtmlDialogUI {
  public:
   explicit ExternalHtmlDialogUI(content::WebUI* web_ui);
   virtual ~ExternalHtmlDialogUI();
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_HTML_DIALOG_UI_H_