Fix extension install verification for v1 packaged apps

chrome/browser/extensions/install_verifier.h

 // Copyright 2013 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_INSTALL_VERIFIER_H_
 #define CHROME_BROWSER_EXTENSIONS_INSTALL_VERIFIER_H_
 
 #include <queue>
 #include <set>
 #include <string>
@@ skipping 23 matching lines @@
 // being read back again.
 //
 // This class should be kept notified of runtime changes to the set of
 // extensions installed from the webstore.
 class InstallVerifier : public ManagementPolicy::Provider {
  public:
   InstallVerifier(ExtensionPrefs* prefs,
                   net::URLRequestContextGetter* context_getter);
   virtual ~InstallVerifier();
 
+  // Returns whether |extension| is of a type that needs verification.
+  static bool NeedsVerification(const Extension& extension);
+
   // Initializes this object for use, including reading preferences and
   // validating the stored signature.
   void Init();
 
   // Do we need to be bootstrapped? (i.e. do we have a signature already). If
   // this is true, then consumers of this class should use Add/AddMany to get
   // an initial one so that MustRemainDisabled can actually check against it.
   bool NeedsBootstrap();
 
   // A callback for indicating success/failure of adding new ids.
@@ skipping 77 matching lines @@
   // A set of ids that have been provisionally added, which we're willing to
   // consider allowed until we hear back from the server signature request.
   ExtensionIdSet provisional_;
 
   DISALLOW_COPY_AND_ASSIGN(InstallVerifier);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_INSTALL_VERIFIER_H_