Made MessagePump a non-thread safe class.

This CL makes MessagePump a non-thread safe class to make sure thread-bound resources (such as the UI window used for pumping messages on Windows) are freed on the correct thread.

Handling of incoming tasks and synchronization between different threads was moved out to a separate class - IncomingTaskQueue reducing the number of locks to be taken while posting a task to one. Posting tasks via both MessageLoop and MessageLoopProxyImpl is now routed via IncomingTaskQueue.

BUG=241939

Review URL: https://chromiumcodereview.appspot.com/17567007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@212948 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 1 insertions, 3 deletions

diff --git a/base/message_loop/message_pump_libevent.h b/base/message_loop/message_pump_libevent.h
index 3b1d26d..f3a48a9 100644
--- a/base/message_loop/message_pump_libevent.h
+++ b/base/message_loop/message_pump_libevent.h
@@ -98,6 +98,7 @@ class BASE_EXPORT MessagePumpLibevent : public MessagePump {
   };
 
   MessagePumpLibevent();
+  virtual ~MessagePumpLibevent();
 
   // Have the current thread's message loop watch for a a situation in which
   // reading/writing to the FD can be performed without blocking.
@@ -126,9 +127,6 @@ class BASE_EXPORT MessagePumpLibevent : public MessagePump {
   virtual void ScheduleWork() OVERRIDE;
   virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) OVERRIDE;
 
- protected:
-  virtual ~MessagePumpLibevent();
-
  private:
   friend class MessagePumpLibeventTest;