Eliminate all UI thread decoding of extension images....

chrome/browser/extensions/extensions_ui.h

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 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_EXTENSIONS_EXTENSIONS_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
@@ skipping 37 matching lines @@
   virtual std::string GetMimeType(const std::string&) const {
     return "text/html";
   }
 
  private:
   ~ExtensionsUIHTMLSource() {}
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsUIHTMLSource);
 };
 
-// The handler for Javascript messages related to the "extensions" view.
+// The handler for JavaScript messages related to the "extensions" view.
 class ExtensionsDOMHandler
     : public DOMMessageHandler,
       public NotificationObserver,
       public PackExtensionJob::Client,
       public SelectFileDialog::Listener,
       public ExtensionInstallUI::Delegate {
  public:
 
   // Helper class that loads the icons for the extensions in the management UI.
   // We do this with native code instead of just using chrome-extension:// URLs
@@ skipping 124 matching lines @@
   // Loads the extension resources into the json data, then calls OnIconsLoaded.
   // Takes ownership of |icons|.
   // Called on the file thread.
   void LoadExtensionIcons(std::vector<ExtensionResource>* icons,
                           DictionaryValue* json_data);
 
   // Takes ownership of |json_data| and tells HTML about it.
   // Called on the UI thread.
   void OnIconsLoaded(DictionaryValue* json_data);
 
+  // Returns the ExtensionInstallUI object for this class, creating it if
+  // needed.
+  ExtensionInstallUI* GetExtensionInstallUI();
+
   // Our model.
   scoped_refptr<ExtensionsService> extensions_service_;
 
   // Used to pick the directory when loading an extension.
   scoped_refptr<SelectFileDialog> load_extension_dialog_;
 
   // Used to package the extension.
   scoped_refptr<PackExtensionJob> pack_job_;
 
   // Used to load icons asynchronously on the file thread.
   scoped_refptr<IconLoader> icon_loader_;
 
+  // Used to show confirmation UI for uninstalling/enabling extensions in
+  // incognito mode.
+  scoped_ptr<ExtensionInstallUI> install_ui_;
+
   // We monitor changes to the extension system so that we can reload when
   // necessary.
   NotificationRegistrar registrar_;
 
   // The id of the extension we are prompting the user about.
   std::string extension_id_prompting_;
 
   // The type of prompt that is open. Only ever uninstall or enable-incognito.
   // Invalid if no prompt is open.
   ExtensionInstallUI::PromptType ui_prompt_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsDOMHandler);
 };
 
 class ExtensionsUI : public DOMUI {
  public:
   explicit ExtensionsUI(TabContents* contents);
 
   static RefCountedMemory* GetFaviconResourceBytes();
 
   static void RegisterUserPrefs(PrefService* prefs);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionsUI);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_