mac: Flush the autorelease pool after making a browser window in browser tests.

chrome/test/base/in_process_browser_test.h

Index: chrome/test/base/in_process_browser_test.h
diff --git a/chrome/test/base/in_process_browser_test.h b/chrome/test/base/in_process_browser_test.h
index 84049ec0c7a454997ecab25c7c834bda3304df6e..1e675be8386794f5a8879c1ce26d9be3272dd1c7 100644
--- a/chrome/test/base/in_process_browser_test.h
+++ b/chrome/test/base/in_process_browser_test.h
@@ -123,6 +123,13 @@ class InProcessBrowserTest : public content::BrowserTestBase {
   // outstanding resources.
   void CloseAllBrowsers();
 
+  // Ensures that no devtools are open, and then opens the devtools.
+  void OpenDevToolsWindow(content::WebContents* web_contents);

[James Hawkins, 2015/07/10 23:01:20]

The CL description doesn't mention OpenDevToolsWindow. Can you provide more
context?

+
+  // Similar to ui_test_utils::OpenURLOffTheRecord, but also flushes the

[James Hawkins, 2015/07/13 18:22:23]

So we're now going to have two methods that do roughly the same thing just in
different locations?

[erikchen, 2015/07/13 19:39:21]

I moved the method here, but forgot to update the comment.
ui_test_utils::OpenURLOffTheRecord no longer exists.

+  // Autoreleasepool on Mac.
+  Browser* OpenURLOffTheRecord(Profile* profile, const GURL& url);
+
   // Convenience methods for adding tabs to a Browser.
   void AddTabAtIndexToBrowser(Browser* browser,
                               int index,