Make panel adjust bounds per preferred size change notification on Windows.

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
===================================================================
--- chrome/browser/ui/browser.cc	(revision 95921)
+++ chrome/browser/ui/browser.cc	(working copy)
@@ -1116,7 +1116,12 @@
   browser::NavigateParams params(this, url, transition);
   params.disposition = NEW_FOREGROUND_TAB;
   browser::Navigate(&params);
-  return params.target_contents;
+  TabContentsWrapper* target_contents_wrapper = params.target_contents;
+  NotificationService::current()->Notify(
+      content::NOTIFICATION_TAB_ADDED,
+      Source<TabContentsDelegate>(params.browser),
+      Details<TabContents>(target_contents_wrapper->tab_contents()));
+  return target_contents_wrapper;
 }
 
 TabContents* Browser::AddTab(TabContentsWrapper* tab_contents,
@@ -3520,6 +3525,10 @@
   return GetJavaScriptDialogCreatorInstance();
 }
 
+void Browser::UpdatePreferredSize(const gfx::Size& pref_size) {
+  window_->UpdatePreferredSize(pref_size);
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, TabContentsWrapperDelegate implementation: