Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/api/extension_action/extension_actions_api.cc

Index: chrome/browser/extensions/api/extension_action/extension_actions_api.cc
diff --git a/chrome/browser/extensions/api/extension_action/extension_actions_api.cc b/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
index fb17ffd16a40967572d22bfdf3a12a44656b62e3..6d36d0b0aef9c4d106a51ed3704231836ef342ae 100644
--- a/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
+++ b/chrome/browser/extensions/api/extension_action/extension_actions_api.cc
@@ -281,19 +281,20 @@ bool ExtensionActionSetBadgeBackgroundColorFunction::RunExtensionAction() {
 }
 
 bool ExtensionActionGetTitleFunction::RunExtensionAction() {
-  result_.reset(Value::CreateStringValue(extension_action_->GetTitle(tab_id_)));
+  SetSingleResult(
+      Value::CreateStringValue(extension_action_->GetTitle(tab_id_)));
   return true;
 }
 
 bool ExtensionActionGetPopupFunction::RunExtensionAction() {
-  result_.reset(Value::CreateStringValue(
-                    extension_action_->GetPopupUrl(tab_id_).spec()));
+  SetSingleResult(
+      Value::CreateStringValue(extension_action_->GetPopupUrl(tab_id_).spec()));
   return true;
 }
 
 bool ExtensionActionGetBadgeTextFunction::RunExtensionAction() {
-  result_.reset(Value::CreateStringValue(
-                    extension_action_->GetBadgeText(tab_id_)));
+  SetSingleResult(
+      Value::CreateStringValue(extension_action_->GetBadgeText(tab_id_)));
   return true;
 }
 
@@ -304,6 +305,6 @@ bool ExtensionActionGetBadgeBackgroundColorFunction::RunExtensionAction() {
   list->Append(Value::CreateIntegerValue(SkColorGetG(color)));
   list->Append(Value::CreateIntegerValue(SkColorGetB(color)));
   list->Append(Value::CreateIntegerValue(SkColorGetA(color)));
-  result_.reset(list);
+  SetSingleResult(list);
   return true;
 }