Make base::MessageLoops have names at construction time

base/observer_list_unittest.cc

Index: base/observer_list_unittest.cc
diff --git a/base/observer_list_unittest.cc b/base/observer_list_unittest.cc
index d0d2001e3f8dc0465b0236a702b56b192227ba3f..fcdcd84c3f068805dda8df00679d3e76c0e064be 100644
--- a/base/observer_list_unittest.cc
+++ b/base/observer_list_unittest.cc
@@ -107,7 +107,7 @@ class AddRemoveThread : public PlatformThread::Delegate,
   }
 
   void ThreadMain() {
-    loop_ = new MessageLoop();  // Fire up a message loop.
+    loop_ = new MessageLoop("ThreadMain");  // Fire up a message loop.
     loop_->PostTask(
         FROM_HERE, factory_->NewRunnableMethod(&AddRemoveThread::AddTask));
     loop_->Run();
@@ -200,7 +200,7 @@ TEST(ObserverListTest, BasicTest) {
 }
 
 TEST(ObserverListThreadSafeTest, BasicTest) {
-  MessageLoop loop;
+  MessageLoop loop("ObserverListThreadSafeTest");
 
   scoped_refptr<ObserverListThreadSafe<Foo> > observer_list(
       new ObserverListThreadSafe<Foo>);
@@ -230,7 +230,7 @@ TEST(ObserverListThreadSafeTest, BasicTest) {
 }
 
 TEST(ObserverListThreadSafeTest, RemoveObserver) {
-  MessageLoop loop;
+  MessageLoop loop("ObserverListThreadSafeTest");
 
   scoped_refptr<ObserverListThreadSafe<Foo> > observer_list(
       new ObserverListThreadSafe<Foo>);
@@ -282,7 +282,7 @@ class FooRemover : public Foo {
 };
 
 TEST(ObserverListThreadSafeTest, RemoveMultipleObservers) {
-  MessageLoop loop;
+  MessageLoop loop("ObserverListThreadSafeTest");
   scoped_refptr<ObserverListThreadSafe<Foo> > observer_list(
       new ObserverListThreadSafe<Foo>);
 
@@ -306,7 +306,7 @@ TEST(ObserverListThreadSafeTest, RemoveMultipleObservers) {
 // all observers.
 static void ThreadSafeObserverHarness(int num_threads,
                                       bool cross_thread_notifies) {
-  MessageLoop loop;
+  MessageLoop loop("ThreadSafeObserverHarness");
 
   const int kMaxThreads = 15;
   num_threads = num_threads > kMaxThreads ? kMaxThreads : num_threads;