Adds the ability for MessageLoop to take a MessagePump

base/threading/thread.h

Index: base/threading/thread.h
diff --git a/base/threading/thread.h b/base/threading/thread.h
index 98831b82e5ccea93b2d2f68c583a74682d6925d0..f816a1fa0acafeafec955b11a527b1547727e5cf 100644
--- a/base/threading/thread.h
+++ b/base/threading/thread.h
@@ -14,6 +14,8 @@
 
 namespace base {
 
+class MessagePump;
+
 // A simple thread abstraction that establishes a MessageLoop on a new thread.
 // The consumer uses the MessageLoop of the thread to cause code to execute on
 // the thread.  When this object is destroyed the thread is terminated.  All
@@ -30,13 +32,23 @@ namespace base {
 class BASE_EXPORT Thread : PlatformThread::Delegate {
  public:
   struct Options {
-    Options() : message_loop_type(MessageLoop::TYPE_DEFAULT), stack_size(0) {}
+    Options()
+        : message_loop_type(MessageLoop::TYPE_DEFAULT),
+          message_pump(NULL),
+          stack_size(0) {
+    }
     Options(MessageLoop::Type type, size_t size)
-        : message_loop_type(type), stack_size(size) {}
+        : message_loop_type(type),
+          message_pump(NULL),
+          stack_size(size) {}
 
     // Specifies the type of message loop that will be allocated on the thread.
     MessageLoop::Type message_loop_type;
 
+    // If non-null this is used as the MessagePump for the Thread's MessageLoop.
+    // MessageLoop takes ownership of this.
+    MessagePump* message_pump;

[darin (slow to review), 2013/11/07 00:17:54]

Perhaps it would be nice to use scoped_ptr here as well?

+
     // Specifies the maximum stack size that the thread is allowed to use.
     // This does not necessarily correspond to the thread's initial stack size.
     // A value of 0 indicates that the default maximum should be used.