Add a link (to view Permissions) to the Extension details on chrome://extensions.

chrome/browser/extensions/extension_install_prompt.h

Index: chrome/browser/extensions/extension_install_prompt.h
===================================================================
--- chrome/browser/extensions/extension_install_prompt.h	(revision 179321)
+++ chrome/browser/extensions/extension_install_prompt.h	(working copy)
@@ -55,6 +55,7 @@
     RE_ENABLE_PROMPT,
     PERMISSIONS_PROMPT,
     EXTERNAL_INSTALL_PROMPT,
+    POST_INSTALL_PERMISSIONS_PROMPT,
     NUM_PROMPT_TYPES
   };
 
@@ -80,6 +81,7 @@
     // Getters for UI element labels.
     string16 GetDialogTitle() const;
     string16 GetHeading() const;
+    int GetDialogButtons() const;
     string16 GetAcceptButtonLabel() const;
     bool HasAbortButtonLabel() const;
     string16 GetAbortButtonLabel() const;
@@ -279,6 +281,13 @@
                                   const extensions::Extension* extension,
                                   const IssueAdviceInfo& issue_advice);
 
+  // This is called by the app handler launcher to review what permissions the
+  // extension or app currently has.
+  //
+  // This *WILL* call Abort() on |delegate|.
+  virtual void ReviewPermissions(Delegate* delegate,
+                                 const extensions::Extension* extension);
+
   // Installation was successful. This is declared virtual for testing.
   virtual void OnInstallSuccess(const extensions::Extension* extension,
                                 SkBitmap* icon);