Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/extension_management_api.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/browser/extensions/extension_management_api.h"
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 144 matching lines @@
 
     if (extension.location() == Extension::COMPONENT)
       continue;  // Skip built-in extensions.
 
     list->Append(CreateExtensionInfo(extension, service));
   }
 }
 
 bool GetAllExtensionsFunction::RunImpl() {
   ListValue* result = new ListValue();
-  result_.reset(result);
+  SetResult(result);
 
   AddExtensionInfo(result, *service()->extensions(), service());
   AddExtensionInfo(result, *service()->disabled_extensions(), service());
 
   return true;
 }
 
 bool GetExtensionByIdFunction::RunImpl() {
   std::string extension_id;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &extension_id));
   const Extension* extension = service()->GetExtensionById(extension_id, true);
   if (!extension) {
     error_ = ExtensionErrorUtils::FormatErrorMessage(keys::kNoExtensionError,
                                                      extension_id);
     return false;
   }
   DictionaryValue* result = CreateExtensionInfo(*extension, service());
-  result_.reset(result);
+  SetResult(result);
 
   return true;
 }
 
 bool GetPermissionWarningsByIdFunction::RunImpl() {
   std::string ext_id;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &ext_id));
 
   const Extension* extension = service()->GetExtensionById(ext_id, true);
   if (!extension) {
     error_ = ExtensionErrorUtils::FormatErrorMessage(keys::kNoExtensionError,
                                                      ext_id);
     return false;
   }
 
   PermissionMessages warnings = extension->GetPermissionMessages();
   ListValue* result = new ListValue();
   for (PermissionMessages::const_iterator i = warnings.begin();
        i < warnings.end(); ++i)
     result->Append(Value::CreateStringValue(i->message()));
-  result_.reset(result);
+  SetResult(result);
   return true;
 }
 
 namespace {
 
 // This class helps GetPermissionWarningsByManifestFunction manage
 // sending manifest JSON strings to the utility process for parsing.
 class SafeManifestJSONParser : public UtilityProcessHostClient {
  public:
   SafeManifestJSONParser(GetPermissionWarningsByManifestFunction* client,
@@ skipping 103 matching lines @@
   if (!extension.get()) {
     OnParseFailure(keys::kExtensionCreateError);
     return;
   }
 
   PermissionMessages warnings = extension->GetPermissionMessages();
   ListValue* result = new ListValue();
   for (PermissionMessages::const_iterator i = warnings.begin();
        i < warnings.end(); ++i)
     result->Append(Value::CreateStringValue(i->message()));
-  result_.reset(result);
+  SetResult(result);
   SendResponse(true);
 
   // Matched with AddRef() in RunImpl().
   Release();
 }
 
 void GetPermissionWarningsByManifestFunction::OnParseFailure(
     const std::string& error) {
   error_ = error;
   SendResponse(false);
@@ skipping 246 matching lines @@
     ExtensionService* service = profile->GetExtensionService();
     args.Append(CreateExtensionInfo(*extension, service));
   }
 
   std::string args_json;
   base::JSONWriter::Write(&args, &args_json);
 
   profile->GetExtensionEventRouter()->DispatchEventToRenderers(
       event_name, args_json, NULL, GURL(), extensions::EventFilteringInfo());
 }