base: Remove the string logging from CHECK().

chrome/browser/extensions/permissions_based_management_policy_provider_unittest.cc

 // Copyright 2014 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/browser/extensions/permissions_based_management_policy_provider.h"
 
 #include <memory>
 #include <string>
 #include <vector>
 
@@ skipping 56 matching lines @@
       manifest_dict.Set(manifest_keys::kPermissions,
                         required_permissions->DeepCopy());
     }
     if (optional_permissions) {
       manifest_dict.Set(manifest_keys::kOptionalPermissions,
                         optional_permissions->DeepCopy());
     }
     std::string error;
     scoped_refptr<const Extension> extension = Extension::Create(
         base::FilePath(), location, manifest_dict, Extension::NO_FLAGS, &error);
-    CHECK(extension.get()) << error;
+    CHECK(extension.get());
     return extension;
   }
 
  protected:
   std::vector<std::unique_ptr<APIPermissionInfo>> perm_list_;
 
   std::unique_ptr<TestingPrefServiceSimple> pref_service_;
   std::unique_ptr<ExtensionManagement> settings_;
 
   PermissionsBasedManagementPolicyProvider provider_;
@@ skipping 70 matching lines @@
     pref.ClearBlockedPermissions("*");
     pref.AddBlockedPermission("*",
                               GetAPIPermissionName(APIPermission::kDownloads));
   }
   error16.clear();
   EXPECT_FALSE(provider_.UserMayLoad(extension.get(), &error16));
   EXPECT_FALSE(error16.empty());
 }
 
 }  // namespace extensions