When creating a tab contents for a browser in the RVHDelegateHelper, create a wrapper immediately.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 50450606f26c6f0484168043fb622d40f81a9cc1..c6d25a52f6c84e5dc81f60b61d4f74013d5314d6 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -3851,6 +3851,15 @@ bool Browser::ShouldAddNavigationToHistory(
   return !IsApplication();
 }
 
+void Browser::TabContentsCreated(TabContents* new_contents) {
+  // Create a TabContentsWrapper now, so all observers are in place, as the
+  // network requests for its initial navigation will start immediately. The
+  // TabContents will later be inserted into this browser using
+  // Browser::Navigate via AddNewContents. The latter will retrieve the newly
+  // created TabContentsWrapper from TabContents object.
+  new TabContentsWrapper(new_contents);
+}
+
 void Browser::ContentRestrictionsChanged(TabContents* source) {
   UpdateCommandsForContentRestrictionState();
 }