Made MessagePump a non-thread safe class.

base/message_loop/message_pump_mac.h

Index: base/message_loop/message_pump_mac.h
diff --git a/base/message_loop/message_pump_mac.h b/base/message_loop/message_pump_mac.h
index 68c2a3d839395196b645fe9c18be5f257e481f7b..3dbeb3da60a7b922a576ec6b0c5eceacca4d947b 100644
--- a/base/message_loop/message_pump_mac.h
+++ b/base/message_loop/message_pump_mac.h
@@ -63,6 +63,7 @@ class MessagePumpCFRunLoopBase : public MessagePump {
   friend class MessagePumpScopedAutoreleasePool;
  public:
   MessagePumpCFRunLoopBase();
+  virtual ~MessagePumpCFRunLoopBase();
 
   // Subclasses should implement the work they need to do in MessagePump::Run
   // in the DoRun method.  MessagePumpCFRunLoopBase::Run calls DoRun directly.
@@ -75,8 +76,6 @@ class MessagePumpCFRunLoopBase : public MessagePump {
   virtual void ScheduleDelayedWork(const TimeTicks& delayed_work_time) OVERRIDE;
 
  protected:
-  virtual ~MessagePumpCFRunLoopBase();
-
   // Accessors for private data members to be used by subclasses.
   CFRunLoopRef run_loop() const { return run_loop_; }
   int nesting_level() const { return nesting_level_; }
@@ -199,13 +198,11 @@ class MessagePumpCFRunLoopBase : public MessagePump {
 class MessagePumpCFRunLoop : public MessagePumpCFRunLoopBase {
  public:
   MessagePumpCFRunLoop();
+  virtual ~MessagePumpCFRunLoop();
 
   virtual void DoRun(Delegate* delegate) OVERRIDE;
   virtual void Quit() OVERRIDE;
 
- protected:
-  virtual ~MessagePumpCFRunLoop();
-
  private:
   virtual void EnterExitRunLoop(CFRunLoopActivity activity) OVERRIDE;
 
@@ -220,13 +217,11 @@ class MessagePumpCFRunLoop : public MessagePumpCFRunLoopBase {
 class MessagePumpNSRunLoop : public MessagePumpCFRunLoopBase {
  public:
   BASE_EXPORT MessagePumpNSRunLoop();
+  virtual ~MessagePumpNSRunLoop();
 
   virtual void DoRun(Delegate* delegate) OVERRIDE;
   virtual void Quit() OVERRIDE;
 
- protected:
-  virtual ~MessagePumpNSRunLoop();
-
  private:
   // A source that doesn't do anything but provide something signalable
   // attached to the run loop.  This source will be signalled when Quit
@@ -246,6 +241,7 @@ class MessagePumpNSRunLoop : public MessagePumpCFRunLoopBase {
 class MessagePumpUIApplication : public MessagePumpCFRunLoopBase {
  public:
   MessagePumpUIApplication();
+  virtual ~MessagePumpUIApplication();
   virtual void DoRun(Delegate* delegate) OVERRIDE;
   virtual void Quit() OVERRIDE;
 
@@ -253,9 +249,6 @@ class MessagePumpUIApplication : public MessagePumpCFRunLoopBase {
   // call |Attach()| to set up a delegate.  It is an error to call |Run()|.
   virtual void Attach(Delegate* delegate);
 
- protected:
-  virtual ~MessagePumpUIApplication();
-
  private:
   RunLoop* run_loop_;
 
@@ -267,13 +260,11 @@ class MessagePumpUIApplication : public MessagePumpCFRunLoopBase {
 class MessagePumpNSApplication : public MessagePumpCFRunLoopBase {
  public:
   MessagePumpNSApplication();
+  virtual ~MessagePumpNSApplication();
 
   virtual void DoRun(Delegate* delegate) OVERRIDE;
   virtual void Quit() OVERRIDE;
 
- protected:
-  virtual ~MessagePumpNSApplication();
-
  private:
   // False after Quit is called.
   bool keep_running_;
@@ -290,10 +281,9 @@ class MessagePumpNSApplication : public MessagePumpCFRunLoopBase {
 class MessagePumpCrApplication : public MessagePumpNSApplication {
  public:
   MessagePumpCrApplication();
+  virtual ~MessagePumpCrApplication();
 
  protected:
-  virtual ~MessagePumpCrApplication() {}
-
   // Returns nil if NSApp is currently in the middle of calling
   // -sendEvent.  Requires NSApp implementing CrAppProtocol.
   virtual NSAutoreleasePool* CreateAutoreleasePool() OVERRIDE;