Add an experimental permissions API for extensions.

chrome/browser/extensions/extension_install_ui.h

Index: chrome/browser/extensions/extension_install_ui.h
diff --git a/chrome/browser/extensions/extension_install_ui.h b/chrome/browser/extensions/extension_install_ui.h
index 222f6a301859f368eb9b51a1417f6f0228d8af28..bd7680a4e8f404245893ca94e011af6533c02b88 100644
--- a/chrome/browser/extensions/extension_install_ui.h
+++ b/chrome/browser/extensions/extension_install_ui.h
@@ -16,6 +16,7 @@
 #include "ui/gfx/native_widget_types.h"
 
 class Extension;
+class ExtensionPermissionSet;
 class MessageLoop;
 class Profile;
 class InfoBarDelegate;
@@ -28,6 +29,7 @@ class ExtensionInstallUI : public ImageLoadingTracker::Observer {
     UNSET_PROMPT_TYPE = -1,
     INSTALL_PROMPT = 0,
     RE_ENABLE_PROMPT,
+    PERMISSIONS_PROMPT,
     NUM_PROMPT_TYPES
   };
 
@@ -36,6 +38,7 @@ class ExtensionInstallUI : public ImageLoadingTracker::Observer {
   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:
@@ -65,6 +68,14 @@ class ExtensionInstallUI : public ImageLoadingTracker::Observer {
   // 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);
 
@@ -122,6 +133,9 @@ class ExtensionInstallUI : public ImageLoadingTracker::Observer {
   // 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_;