Add an experimental permissions API for extensions.

chrome/browser/extensions/extension_install_ui.h

 // Copyright (c) 2011 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_EXTENSION_INSTALL_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/string16.h"
 #include "chrome/browser/extensions/image_loading_tracker.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/native_widget_types.h"
 
 class Extension;
+class ExtensionPermissionSet;
 class MessageLoop;
 class Profile;
 class InfoBarDelegate;
 class TabContents;
 
 // Displays all the UI around extension installation and uninstallation.
 class ExtensionInstallUI : public ImageLoadingTracker::Observer {
  public:
   enum PromptType {
     UNSET_PROMPT_TYPE = -1,
     INSTALL_PROMPT = 0,
     RE_ENABLE_PROMPT,
+    PERMISSIONS_PROMPT,
     NUM_PROMPT_TYPES
   };
 
   // A mapping from PromptType to message ID for various dialog content.
   static const int kTitleIds[NUM_PROMPT_TYPES];
   static const int kHeadingIds[NUM_PROMPT_TYPES];
   static const int kButtonIds[NUM_PROMPT_TYPES];
   static const int kWarningIds[NUM_PROMPT_TYPES];
+  static const int kAbortButtonIds[NUM_PROMPT_TYPES];
 
   class Delegate {
    public:
     // We call this method to signal that the installation should continue.
     virtual void InstallUIProceed() = 0;
 
     // We call this method to signal that the installation should stop, with
     // |user_initiated| true if the installation was stopped by the user.
     virtual void InstallUIAbort(bool user_initiated) = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
   explicit ExtensionInstallUI(Profile* profile);
   virtual ~ExtensionInstallUI();
 
   // This is called by the installer to verify whether the installation should
   // proceed. This is declared virtual for testing.
   //
   // We *MUST* eventually call either Proceed() or Abort() on |delegate|.
   virtual void ConfirmInstall(Delegate* delegate, const Extension* extension);
 
   // This is called by the app handler launcher to verify whether the app
   // should be re-enabled. This is declared virtual for testing.
   //
   // We *MUST* eventually call either Proceed() or Abort() on |delegate|.
   virtual void ConfirmReEnable(Delegate* delegate, const Extension* extension);
 
+  // This is called by the extension permissions API to verify whether an
+  // extension may be granted additional permissions.
+  //
+  // We *MUST* eventually call either Proceed() or Abort() on |delegate|.
+  virtual void ConfirmPermissions(Delegate* delegate,
+                                  const Extension* extension,
+                                  const ExtensionPermissionSet* permissions);
+
   // Installation was successful. This is declared virtual for testing.
   virtual void OnInstallSuccess(const Extension* extension, SkBitmap* icon);
 
   // Installation failed. This is declared virtual for testing.
   virtual void OnInstallFailure(const std::string& error);
 
   // ImageLoadingTracker::Observer:
   virtual void OnImageLoaded(
       SkBitmap* image, const ExtensionResource& resource, int index);
 
@@ skipping 37 matching lines @@
   // Used to undo theme installation.
   std::string previous_theme_id_;
   bool previous_using_native_theme_;
 
   // The extensions installation icon.
   SkBitmap icon_;
 
   // The extension we are showing the UI for.
   const Extension* extension_;
 
+  // The permissions being prompted for.
+  const ExtensionPermissionSet* permissions_;
+
   // The delegate we will call Proceed/Abort on after confirmation UI.
   Delegate* delegate_;
 
   // The type of prompt we are going to show.
   PromptType prompt_type_;
 
   // Keeps track of extension images being loaded on the File thread for the
   // purpose of showing the install UI.
   ImageLoadingTracker tracker_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INSTALL_UI_H_