PPAPI: Take PPB_MessageLoop out of Dev

ppapi/utility/threading/simple_thread.h

Index: ppapi/utility/threading/simple_thread.h
diff --git a/ppapi/utility/threading/simple_thread.h b/ppapi/utility/threading/simple_thread.h
index d60a43d1fb4d165f978a0f526462569ef62cbc9c..b3ccd9bb7b221852e395b2291b98d2ca0c395744 100644
--- a/ppapi/utility/threading/simple_thread.h
+++ b/ppapi/utility/threading/simple_thread.h
@@ -11,8 +11,8 @@
 #include <pthread.h>
 #endif
 
-#include "ppapi/cpp/dev/message_loop_dev.h"
 #include "ppapi/cpp/instance_handle.h"
+#include "ppapi/cpp/message_loop.h"
 
 namespace pp {
 
@@ -26,7 +26,7 @@ class SimpleThread {
   typedef pthread_t ThreadHandle;
 #endif
 
-  typedef void (*ThreadFunc)(MessageLoop_Dev&, void* user_data);
+  typedef void (*ThreadFunc)(MessageLoop&, void* user_data);
 
   explicit SimpleThread(const InstanceHandle& instance);
   ~SimpleThread();
@@ -46,12 +46,12 @@ class SimpleThread {
   // is NULL, this acts the same as Start().
   bool StartWithFunction(ThreadFunc func, void* user_data);
 
-  MessageLoop_Dev& message_loop() { return message_loop_; }
+  MessageLoop& message_loop() { return message_loop_; }
   ThreadHandle thread() const { return thread_; }
 
  private:
   InstanceHandle instance_;
-  MessageLoop_Dev message_loop_;
+  MessageLoop message_loop_;
 
   ThreadHandle thread_;