Lazily prune the multibuffer block cache.

media/cast/test/end2end_unittest.cc

Index: media/cast/test/end2end_unittest.cc
diff --git a/media/cast/test/end2end_unittest.cc b/media/cast/test/end2end_unittest.cc
index 7145ba369a3a9868427ce91042aa783e3da2f062..088240289ae0bc01cb197999fbc902404a7af9dc 100644
--- a/media/cast/test/end2end_unittest.cc
+++ b/media/cast/test/end2end_unittest.cc
@@ -26,6 +26,7 @@
 #include "base/test/simple_test_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "media/base/audio_bus.h"
+#include "media/base/fake_single_thread_task_runner.h"
 #include "media/base/video_frame.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_environment.h"
@@ -36,7 +37,6 @@
 #include "media/cast/net/cast_transport_defines.h"
 #include "media/cast/net/cast_transport_sender.h"
 #include "media/cast/net/cast_transport_sender_impl.h"
-#include "media/cast/test/fake_single_thread_task_runner.h"
 #include "media/cast/test/skewed_single_thread_task_runner.h"
 #include "media/cast/test/skewed_tick_clock.h"
 #include "media/cast/test/utility/audio_utility.h"
@@ -404,7 +404,7 @@ class End2EndTest : public ::testing::Test {
  protected:
   End2EndTest()
       : start_time_(),
-        task_runner_(new test::FakeSingleThreadTaskRunner(&testing_clock_)),
+        task_runner_(new FakeSingleThreadTaskRunner(&testing_clock_)),
         testing_clock_sender_(new test::SkewedTickClock(&testing_clock_)),
         task_runner_sender_(
             new test::SkewedSingleThreadTaskRunner(task_runner_)),
@@ -840,7 +840,7 @@ class End2EndTest : public ::testing::Test {
 
   // These run in "test time"
   base::SimpleTestTickClock testing_clock_;
-  scoped_refptr<test::FakeSingleThreadTaskRunner> task_runner_;
+  scoped_refptr<FakeSingleThreadTaskRunner> task_runner_;
 
   // These run on the sender timeline.
   test::SkewedTickClock* testing_clock_sender_;