Convert more test helpers to base::RunLoop, fix page title checks.

content/public/test/test_frame_navigation_observer.h

Index: content/public/test/test_frame_navigation_observer.h
diff --git a/content/public/test/test_frame_navigation_observer.h b/content/public/test/test_frame_navigation_observer.h
index 9717daf9dc0d066d2dd8d49e2eafaaae0ea4fc2c..aadc9d7e989b2def885e0528ed3cb52f8d00ff16 100644
--- a/content/public/test/test_frame_navigation_observer.h
+++ b/content/public/test/test_frame_navigation_observer.h
@@ -11,6 +11,7 @@
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
+#include "base/run_loop.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/test_utils.h"
@@ -64,8 +65,8 @@ class TestFrameNavigationObserver : public WebContentsObserver {
   // of the document.
   bool wait_for_commit_;
 
-  // The MessageLoopRunner used to spin the message loop.
-  scoped_refptr<MessageLoopRunner> message_loop_runner_;
+  // The RunLoop used to spin the message loop.
+  base::RunLoop run_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(TestFrameNavigationObserver);
 };