Remove implicit conversions from scoped_refptr to T* in cc/

cc/scheduler/scheduler_unittest.cc

Index: cc/scheduler/scheduler_unittest.cc
diff --git a/cc/scheduler/scheduler_unittest.cc b/cc/scheduler/scheduler_unittest.cc
index fbdadb737b4a77f8343334ea7d1de37be3c9012d..cb04c5e7d267db5d601e25e03eb8488cfe2b72b9 100644
--- a/cc/scheduler/scheduler_unittest.cc
+++ b/cc/scheduler/scheduler_unittest.cc
@@ -116,7 +116,7 @@ class FakeSchedulerClient : public SchedulerClient {
     return posted_begin_impl_frame_deadline_;
   }
 
-  OrderedSimpleTaskRunner& task_runner() { return *task_runner_; }
+  OrderedSimpleTaskRunner& task_runner() { return *task_runner_.get(); }
 
   int ActionIndex(const char* action) const {
     for (size_t i = 0; i < actions_.size(); i++)