Re-enable the --enable-extensions flag. Fix a bunch of bugs

chrome/browser/extensions/extensions_service.h

 // Copyright (c) 2009 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_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
+#include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/linked_ptr.h"
 #include "base/ref_counted.h"
 #include "base/tuple.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/extensions/external_extension_provider.h"
 #include "chrome/common/extensions/extension.h"
 
 class Browser;
@@ skipping 42 matching lines @@
   struct ExtensionHeader {
     char magic[kExtensionHeaderMagicSize];
     uint32 version;
     size_t key_size;  // The size of the public key, in bytes.
     size_t signature_size;  // The size of the signature, in bytes.
     // An ASN.1-encoded PublicKeyInfo structure follows.
     // The signature follows.
   };
 
   ExtensionsService(Profile* profile,
+                    const CommandLine* command_line,
                     MessageLoop* frontend_loop,
                     MessageLoop* backend_loop);
   ~ExtensionsService();
 
   // Gets the list of currently installed extensions.
   const ExtensionList* extensions() const {
     return &extensions_;
   }
 
   // Initialize and start all installed extensions.
@@ skipping 324 matching lines @@
 
   // A map of all external extension providers.
   typedef std::map<Extension::Location,
                    linked_ptr<ExternalExtensionProvider> > ProviderMap;
   ProviderMap external_extension_providers_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsServiceBackend);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_