Give a CFRunLoop to the IO message loop type on Mac OS X.

base/message_pump_mac_unittest.cc

Index: base/message_pump_mac_unittest.cc
===================================================================
--- base/message_pump_mac_unittest.cc	(revision 89773)
+++ base/message_pump_mac_unittest.cc	(working copy)
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "base/message_pump_libevent.h"
+#include "base/message_pump_mac.h"
 
 #include <unistd.h>
 
@@ -12,12 +12,12 @@
 
 namespace {
 
-class MessagePumpLibeventTest : public testing::Test {
+class MessagePumpCFRunLoopBaseTest : public testing::Test {
  public:
-  MessagePumpLibeventTest()
+  MessagePumpCFRunLoopBaseTest()
       : ui_loop_(MessageLoop::TYPE_UI),
-        io_thread_("MessagePumpLibeventTestIOThread") {}
-  virtual ~MessagePumpLibeventTest() {}
+        io_thread_("MessagePumpCFRunLoopBaseTestIOThread") {}
+  virtual ~MessagePumpCFRunLoopBaseTest() {}
 
   virtual void SetUp() {
     base::Thread::Options options(MessageLoop::TYPE_IO, 0);
@@ -33,16 +33,16 @@
  private:
   MessageLoop ui_loop_;
   base::Thread io_thread_;
-  DISALLOW_COPY_AND_ASSIGN(MessagePumpLibeventTest);
+  DISALLOW_COPY_AND_ASSIGN(MessagePumpCFRunLoopBaseTest);
 };
 
-// Concrete implementation of base::MessagePumpLibevent::Watcher that does
+// Concrete implementation of base::MessagePumpCFRunLoopBase::Watcher that does
 // nothing useful.
-class StupidWatcher : public base::MessagePumpLibevent::Watcher {
+class StupidWatcher : public base::MessagePumpCFRunLoopBase::Watcher {
  public:
   virtual ~StupidWatcher() {}
 
-  // base:MessagePumpLibEvent::Watcher interface
+  // base:MessagePumpCFRunLoopBase::Watcher interface
   virtual void OnFileCanReadWithoutBlocking(int fd) {}
   virtual void OnFileCanWriteWithoutBlocking(int fd) {}
 };
@@ -53,8 +53,8 @@
 
 // Test to make sure that we catch calling WatchFileDescriptor off of the
 // wrong thread.
-TEST_F(MessagePumpLibeventTest, TestWatchingFromBadThread) {
-  base::MessagePumpLibevent::FileDescriptorWatcher watcher;
+TEST_F(MessagePumpCFRunLoopBaseTest, TestWatchingFromBadThread) {
+  base::MessagePumpCFRunLoopBase::FileDescriptorWatcher watcher;
   StupidWatcher delegate;
 
   ASSERT_DEBUG_DEATH(io_loop()->WatchFileDescriptor(