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

media/base/test_helpers.cc

Index: media/base/test_helpers.cc
diff --git a/media/base/test_helpers.cc b/media/base/test_helpers.cc
index 60581554ea797e0e54c71e4f952e7374ca74cf49..c532f16c0c4788c8095784a2800515f773672fa6 100644
--- a/media/base/test_helpers.cc
+++ b/media/base/test_helpers.cc
@@ -9,7 +9,6 @@
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/message_loop/message_loop.h"
 #include "base/pickle.h"
 #include "base/run_loop.h"
 #include "base/test/test_timeouts.h"
@@ -67,34 +66,32 @@ WaitableMessageLoopEvent::WaitableMessageLoopEvent()
     : WaitableMessageLoopEvent(TestTimeouts::action_timeout()) {}
 
 WaitableMessageLoopEvent::WaitableMessageLoopEvent(base::TimeDelta timeout)
-    : message_loop_(base::MessageLoop::current()),
-      signaled_(false),
-      status_(PIPELINE_OK),
-      timeout_(timeout) {
-  DCHECK(message_loop_);
-}
+    : signaled_(false), status_(PIPELINE_OK), timeout_(timeout) {}
 
-WaitableMessageLoopEvent::~WaitableMessageLoopEvent() {}
+WaitableMessageLoopEvent::~WaitableMessageLoopEvent() {
+  DCHECK(CalledOnValidThread());
+}
 
 base::Closure WaitableMessageLoopEvent::GetClosure() {
-  DCHECK_EQ(message_loop_, base::MessageLoop::current());
+  DCHECK(CalledOnValidThread());
   return BindToCurrentLoop(base::Bind(
       &WaitableMessageLoopEvent::OnCallback, base::Unretained(this),
       PIPELINE_OK));
 }
 
 PipelineStatusCB WaitableMessageLoopEvent::GetPipelineStatusCB() {
-  DCHECK_EQ(message_loop_, base::MessageLoop::current());
+  DCHECK(CalledOnValidThread());
   return BindToCurrentLoop(base::Bind(
       &WaitableMessageLoopEvent::OnCallback, base::Unretained(this)));
 }
 
 void WaitableMessageLoopEvent::RunAndWait() {
+  DCHECK(CalledOnValidThread());
   RunAndWaitForStatus(PIPELINE_OK);
 }
 
 void WaitableMessageLoopEvent::RunAndWaitForStatus(PipelineStatus expected) {
-  DCHECK_EQ(message_loop_, base::MessageLoop::current());
+  DCHECK(CalledOnValidThread());
   if (signaled_) {
     EXPECT_EQ(expected, status_);
     return;
@@ -113,7 +110,7 @@ void WaitableMessageLoopEvent::RunAndWaitForStatus(PipelineStatus expected) {
 }
 
 void WaitableMessageLoopEvent::OnCallback(PipelineStatus status) {
-  DCHECK_EQ(message_loop_, base::MessageLoop::current());
+  DCHECK(CalledOnValidThread());
   signaled_ = true;
   status_ = status;
 
@@ -123,7 +120,7 @@ void WaitableMessageLoopEvent::OnCallback(PipelineStatus status) {
 }
 
 void WaitableMessageLoopEvent::OnTimeout() {
-  DCHECK_EQ(message_loop_, base::MessageLoop::current());
+  DCHECK(CalledOnValidThread());
   ADD_FAILURE() << "Timed out waiting for message loop to quit";
   run_loop_->Quit();
 }