[rAC, OSX] Force better initial size for sign-in (2nd try)

chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc

Index: chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc b/chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc
index 882b653322d2ce8ab95e8e5be19cb0282515d6a6..0001dc5d2d16a5d4fafbcb01d9df7cf95ffd7450 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_browsertest.cc
@@ -57,6 +57,12 @@
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
+#if defined(OS_MACOSX)
+#include "base/mac/mac_util.h"
+#include "base/mac/scoped_nsautorelease_pool.h"
+#include "chrome/browser/ui/cocoa/run_loop_testing.h"
+#endif
+
 namespace autofill {
 
 namespace {
@@ -282,6 +288,16 @@ class AutofillDialogControllerTest : public InProcessBrowserTest {
     InitializeController();
   }
 
+  // A helper function that cycles the MessageLoop, and on Mac, the Cocoa run
+  // loop. It also drains the NSAutoreleasePool.
+  void CycleRunLoops() {
+    content::RunAllPendingInMessageLoop();
+#if defined(OS_MACOSX)
+    chrome::testing::NSRunLoopRunAllPending();
+    AutoreleasePool()->Recycle();
+#endif
+  }
+
   void InitializeController() {
     FormData form;
     form.name = ASCIIToUTF16("TestForm");
@@ -306,6 +322,7 @@ class AutofillDialogControllerTest : public InProcessBrowserTest {
         metric_logger_,
         message_loop_runner_);
     controller_->Show();
+    CycleRunLoops();  // Ensures dialog is fully visible.
   }
 
   content::WebContents* GetActiveWebContents() {