Remove calls to MessageLoop::current() in extensions.

chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc

Index: chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc
diff --git a/chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc b/chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc
index e891904def114338eacb7d2da283d3e51c497d4b..c5ae975380b3bcf715fbb34eeb9f8c00753b5b1b 100644
--- a/chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc
+++ b/chrome/browser/safe_browsing/incident_reporting/state_store_unittest.cc
@@ -11,7 +11,7 @@
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/utf_string_conversions.h"
-#include "base/test/test_simple_task_runner.h"
+#include "base/test/test_mock_time_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/values.h"
 #include "build/build_config.h"
@@ -71,7 +71,7 @@ class StateStoreTest : public PlatformStateStoreTestBase {
 
   StateStoreTest()
       : profile_(nullptr),
-        task_runner_(new base::TestSimpleTaskRunner()),
+        task_runner_(new base::TestMockTimeTaskRunner()),
         thread_task_runner_handle_(task_runner_),
         profile_manager_(TestingBrowserProcess::GetGlobal()) {}
 
@@ -119,7 +119,7 @@ class StateStoreTest : public PlatformStateStoreTestBase {
   static const char kProfileName_[];
   static const TestData kTestData_[];
   TestingProfile* profile_;
-  scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
+  scoped_refptr<base::TestMockTimeTaskRunner> task_runner_;
 
  private:
   base::FilePath GetPrefsPath() {