Improving the process model extension API

chrome/browser/extensions/extension_tab_util.cc

Index: chrome/browser/extensions/extension_tab_util.cc
diff --git a/chrome/browser/extensions/extension_tab_util.cc b/chrome/browser/extensions/extension_tab_util.cc
index 19befff70be7952468f9eb0d0ddfb10471d662a1..2c2183deb3a0ee55ac3fe2d54bc5ecc525d8787b 100644
--- a/chrome/browser/extensions/extension_tab_util.cc
+++ b/chrome/browser/extensions/extension_tab_util.cc
@@ -223,3 +223,25 @@ bool ExtensionTabUtil::IsCrashURL(const GURL& url) {
           (fixed_url.host() == chrome::kChromeUIBrowserCrashHost ||
            fixed_url.host() == chrome::kChromeUICrashHost));
 }
+
+bool ExtensionTabUtil::ReadOneOrMoreIntegers(base::Value* value,
+                                             std::vector<int>* result) {
+  if (value->IsType(Value::TYPE_INTEGER)) {
+    int tab_id = -1;
+    if (!value->GetAsInteger(&tab_id))
+      return false;
+    result->push_back(tab_id);
+    return true;
+
+  } else if (value->IsType(Value::TYPE_LIST)) {
+    ListValue* tabs = static_cast<ListValue*>(value);
+    for (size_t i = 0; i < tabs->GetSize(); ++i) {
+      int tab_id = -1;
+      if (!tabs->GetInteger(i, &tab_id))
+        return false;
+      result->push_back(tab_id);
+    }
+    return true;
+  }
+  return false;
+}