Revert of Use timer task queue for RenderMediaLog

content/renderer/media/render_media_log_unittest.cc

Index: content/renderer/media/render_media_log_unittest.cc
diff --git a/content/renderer/media/render_media_log_unittest.cc b/content/renderer/media/render_media_log_unittest.cc
index a4633c2563fc8a26967958f9742b08fbf29215d8..905bec522946b54e8845c74a93134ee8ced5ba8a 100644
--- a/content/renderer/media/render_media_log_unittest.cc
+++ b/content/renderer/media/render_media_log_unittest.cc
@@ -8,7 +8,6 @@
 #include "base/message_loop/message_loop.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "base/test/test_mock_time_task_runner.h"
-#include "base/threading/thread_task_runner_handle.h"
 #include "content/common/view_messages.h"
 #include "content/public/test/mock_render_thread.h"
 #include "content/renderer/media/render_media_log.h"
@@ -19,8 +18,7 @@
 class RenderMediaLogTest : public testing::Test {
  public:
   RenderMediaLogTest()
-      : log_(new RenderMediaLog(GURL("http://foo.com"),
-                                base::ThreadTaskRunnerHandle::Get())),
+      : log_(new RenderMediaLog(GURL("http://foo.com"))),
         tick_clock_(new base::SimpleTestTickClock()),
         task_runner_(new base::TestMockTimeTaskRunner()) {
     log_->SetTickClockForTesting(std::unique_ptr<base::TickClock>(tick_clock_));