Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/api/webstore_private/webstore_private_api.cc

Index: chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
diff --git a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
index 1d11a788b5647b1971f8317a87c1be8fcabd010c..b1ac7eafb88a9aaedd4a1298cce278f74d168718 100644
--- a/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
+++ b/chrome/browser/extensions/api/webstore_private/webstore_private_api.cc
@@ -319,28 +319,28 @@ bool BeginInstallWithManifestFunction::RunImpl() {
 void BeginInstallWithManifestFunction::SetResult(ResultCode code) {
   switch (code) {
     case ERROR_NONE:
-      result_.reset(Value::CreateStringValue(""));
+      SetSingleResult(Value::CreateStringValue(""));
       break;
     case UNKNOWN_ERROR:
-      result_.reset(Value::CreateStringValue("unknown_error"));
+      SetSingleResult(Value::CreateStringValue("unknown_error"));
       break;
     case USER_CANCELLED:
-      result_.reset(Value::CreateStringValue("user_cancelled"));
+      SetSingleResult(Value::CreateStringValue("user_cancelled"));
       break;
     case MANIFEST_ERROR:
-      result_.reset(Value::CreateStringValue("manifest_error"));
+      SetSingleResult(Value::CreateStringValue("manifest_error"));
       break;
     case ICON_ERROR:
-      result_.reset(Value::CreateStringValue("icon_error"));
+      SetSingleResult(Value::CreateStringValue("icon_error"));
       break;
     case INVALID_ID:
-      result_.reset(Value::CreateStringValue("invalid_id"));
+      SetSingleResult(Value::CreateStringValue("invalid_id"));
       break;
     case PERMISSION_DENIED:
-      result_.reset(Value::CreateStringValue("permission_denied"));
+      SetSingleResult(Value::CreateStringValue("permission_denied"));
       break;
     case INVALID_ICON_URL:
-      result_.reset(Value::CreateStringValue("invalid_icon_url"));
+      SetSingleResult(Value::CreateStringValue("invalid_icon_url"));
       break;
     default:
       CHECK(false);
@@ -552,7 +552,7 @@ void SilentlyInstallFunction::OnExtensionInstallFailure(
 }
 
 bool GetBrowserLoginFunction::RunImpl() {
-  result_.reset(CreateLoginResult(profile_->GetOriginalProfile()));
+  SetSingleResult(CreateLoginResult(profile_->GetOriginalProfile()));
   return true;
 }
 
@@ -561,9 +561,9 @@ bool GetStoreLoginFunction::RunImpl() {
   ExtensionPrefs* prefs = service->extension_prefs();
   std::string login;
   if (prefs->GetWebStoreLogin(&login)) {
-    result_.reset(Value::CreateStringValue(login));
+    SetSingleResult(Value::CreateStringValue(login));
   } else {
-    result_.reset(Value::CreateStringValue(std::string()));
+    SetSingleResult(Value::CreateStringValue(std::string()));
   }
   return true;
 }
@@ -586,7 +586,7 @@ GetWebGLStatusFunction::GetWebGLStatusFunction() {
 GetWebGLStatusFunction::~GetWebGLStatusFunction() {}
 
 void GetWebGLStatusFunction::CreateResult(bool webgl_allowed) {
-  result_.reset(Value::CreateStringValue(
+  SetSingleResult(Value::CreateStringValue(
       webgl_allowed ? "webgl_allowed" : "webgl_blocked"));
 }