Make the manifest_ member of Extension into a scoped_ptr.

chrome/common/extensions/extension.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/common/extensions/extension.h"
 
 #include <ostream>
 
 #include "base/base64.h"
 #include "base/basictypes.h"
@@ skipping 1275 matching lines @@
   } else {
     *error = ASCIIToUTF16(errors::kInvalidLaunchContainer);
     return false;
   }
 
   bool can_specify_initial_size =
       launch_container_ == extension_misc::LAUNCH_PANEL ||
       launch_container_ == extension_misc::LAUNCH_WINDOW;
 
   // Validate the container width if present.
-  if (!ReadLaunchDimension(manifest_,
+  if (!ReadLaunchDimension(manifest_.get(),
                            keys::kLaunchWidth,
                            &launch_width_,
                            can_specify_initial_size,
                            error))
       return false;
 
   // Validate container height if present.
-  if (!ReadLaunchDimension(manifest_,
+  if (!ReadLaunchDimension(manifest_.get(),
                            keys::kLaunchHeight,
                            &launch_height_,
                            can_specify_initial_size,
                            error))
       return false;
 
   return true;
 }
 
 bool Extension::LoadSharedFeatures(
@@ skipping 1603 matching lines @@
       launch_container_(extension_misc::LAUNCH_TAB),
       launch_width_(0),
       launch_height_(0),
       wants_file_access_(false),
       creation_flags_(0) {
   DCHECK(path.empty() || path.IsAbsolute());
   path_ = MaybeNormalizePath(path);
 }
 
 Extension::~Extension() {
-  if (manifest_)
-    delete manifest_;
 }
 
 ExtensionResource Extension::GetResource(
     const std::string& relative_path) const {
   std::string new_path = relative_path;
   // We have some legacy data where resources have leading slashes.
   // See: http://crbug.com/121164
   if (!new_path.empty() && new_path.at(0) == '/')
     new_path.erase(0, 1);
 #if defined(OS_POSIX)
@@ skipping 975 matching lines @@
 
 UpdatedExtensionPermissionsInfo::UpdatedExtensionPermissionsInfo(
     const Extension* extension,
     const PermissionSet* permissions,
     Reason reason)
     : reason(reason),
       extension(extension),
       permissions(permissions) {}
 
 }   // namespace extensions