[Mac] Do not initialize the MockCrApplication in base::TestSuite.

base/test/test_suite.cc

Index: base/test/test_suite.cc
diff --git a/base/test/test_suite.cc b/base/test/test_suite.cc
index 23ffa1ebe96a186e230ef03dec8455e2f46a1a25..206507bb1caf00df96b52907e82ab583aab3d462 100644
--- a/base/test/test_suite.cc
+++ b/base/test/test_suite.cc
@@ -32,8 +32,6 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #if defined(OS_IOS)
 #include "base/test/test_listener_ios.h"
-#else
-#include "base/test/mock_chrome_application_mac.h"
 #endif  // OS_IOS
 #endif  // OS_MACOSX
 
@@ -287,11 +285,6 @@ void TestSuite::Initialize() {
   }
 #endif
 
-#if defined(OS_MACOSX) && !defined(OS_IOS)
-  // Some of the app unit tests spin runloops.
-  mock_cr_app::RegisterMockCrApp();
-#endif
-
 #if defined(OS_IOS)
   InitIOSTestMessageLoop();
 #endif  // OS_IOS