Bug 550784 - [OOPP] Flash deadlocks during script evals that trigger focus related events. r=bent.

ipc/glue/WindowsMessageLoop.cpp

@@ -360,7 +360,7 @@ NeuteredWindowProc(HWND hwnd,
 }
 
 static bool
-WindowIsMozillaWindow(HWND hWnd)
+WindowIsDeferredWindow(HWND hWnd)
 {
   if (!IsWindow(hWnd)) {
     NS_WARNING("Window has died!");
@@ -374,6 +374,7 @@ WindowIsMozillaWindow(HWND hWnd)
     return false;
   }
 
+  // Common mozilla windows we must defer messages to.
   nsDependentString className(buffer, length);
   if (StringBeginsWith(className, NS_LITERAL_STRING("Mozilla")) ||
       StringBeginsWith(className, NS_LITERAL_STRING("Gecko")) ||
@@ -382,6 +383,14 @@ WindowIsMozillaWindow(HWND hWnd)
     return true;
   }
 
+  // Plugin windows that can trigger ipc calls in child:
+  // 'ShockwaveFlashFullScreen' - flash fullscreen window
+  // 'AGFullScreenWinClass' - silverlight fullscreen window
+  if (className.EqualsLiteral("ShockwaveFlashFullScreen") ||
+      className.EqualsLiteral("AGFullScreenWinClass")) {
+    return true;
+  }
+
   // nsNativeAppSupport makes a window like "FirefoxMessageWindow" based on the
   // toolkit app's name. It's pretty expensive to calculate this so we only try
   // once.
@@ -416,7 +425,7 @@ WindowIsMozillaWindow(HWND hWnd)
 bool
 NeuterWindowProcedure(HWND hWnd)
 {
-  if (!WindowIsMozillaWindow(hWnd)) {
+  if (!WindowIsDeferredWindow(hWnd)) {
     // Some other kind of window, skip.
     return false;
   }
@@ -455,8 +464,8 @@ NeuterWindowProcedure(HWND hWnd)
 void
 RestoreWindowProcedure(HWND hWnd)
 {
-  NS_ASSERTION(WindowIsMozillaWindow(hWnd),
-               "Not a mozilla window, this shouldn't be in our list!");
+  NS_ASSERTION(WindowIsDeferredWindow(hWnd),
+               "Not a deferred window, this shouldn't be in our list!");
 
   LONG_PTR oldWndProc = (LONG_PTR)RemoveProp(hWnd, kOldWndProcProp);
   if (oldWndProc) {