Use ScopedTaskEnvironment instead of MessageLoopForUI in components tests.

components/password_manager/core/browser/password_store_unittest.cc

Index: components/password_manager/core/browser/password_store_unittest.cc
diff --git a/components/password_manager/core/browser/password_store_unittest.cc b/components/password_manager/core/browser/password_store_unittest.cc
index 527770396f70b29e551f263e49e6a66a98deeb13..09121da021597a108e7402f463a490aac974b5e8 100644
--- a/components/password_manager/core/browser/password_store_unittest.cc
+++ b/components/password_manager/core/browser/password_store_unittest.cc
@@ -32,6 +32,7 @@
 #include "testing/gtest/include/gtest/gtest.h"
 
 #if defined(OS_MACOSX)
+#include "base/test/scoped_task_environment.h"

[gab, 2017/04/28 01:43:00]

Wrong include block

[fdoray, 2017/05/01 17:16:51]

Done.

 #include "components/os_crypt/os_crypt_mocker.h"
 #endif
 
@@ -89,6 +90,10 @@ class StartSyncFlareMock {
 
 class PasswordStoreTest : public testing::Test {
  protected:
+  PasswordStoreTest()
+      : scoped_task_environment_(
+            base::test::ScopedTaskEnvironment::MainThreadType::UI) {}
+
   void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); }
 
   void TearDown() override { ASSERT_TRUE(temp_dir_.Delete()); }
@@ -97,7 +102,7 @@ class PasswordStoreTest : public testing::Test {
     return temp_dir_.GetPath().Append(FILE_PATH_LITERAL("login_test"));
   }
 
-  base::MessageLoopForUI message_loop_;
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
   base::ScopedTempDir temp_dir_;
 };