Remove reference to OpenTabOptions in chrome.browser.openTab docs.

chrome/common/extensions/api/browser.idl

Index: chrome/common/extensions/api/browser.idl
diff --git a/chrome/common/extensions/api/browser.idl b/chrome/common/extensions/api/browser.idl
index e53c0eb785855a155b0455a2107bd578aca2272c..248fec824a9e6c3893c884e7a0267118ce4c2818 100644
--- a/chrome/common/extensions/api/browser.idl
+++ b/chrome/common/extensions/api/browser.idl
@@ -16,10 +16,10 @@ namespace browser {
   interface Functions {
     // Opens a new tab in a browser window associated with the current
     // application and Chrome profile. If no browser window for the Chrome
-    // profile is opened, a new one is opened prior to creating the new tab. The
-    // initial URL of the new tab is specified in |options|.
-    // |options|  : The $(ref:OpenTabOptions) for this function.
-    // |callback| : Called to indicate success or failure.
+    // profile is opened, a new one is opened prior to creating the new tab.
+    // |options| - Configures how the tab should be opened.
+    // |callback| - Called when the tab was successfully created, or failed to
+    // be created. If failed, $(ref:runtime.lastError) will be set.
     static void openTab(OpenTabOptions options,
                         optional Callback callback);
   };