Updated win32 Process::isForegroundProcess() method to use process ID

modules/juce_gui_basics/native/juce_win32_Windowing.cpp

@@ -3245,17 +3245,10 @@ bool JUCE_CALLTYPE Process::isForegroundProcess()
     if (fg == 0)
         return true;
 
-    // when running as a plugin in IE8, the browser UI runs in a different process to the plugin, so
-    // process ID isn't a reliable way to check if the foreground window belongs to us - instead, we
-    // have to see if any of our windows are children of the foreground window
-    fg = GetAncestor (fg, GA_ROOT);
-
-    for (int i = ComponentPeer::getNumPeers(); --i >= 0;)
-        if (HWNDComponentPeer* const wp = dynamic_cast<HWNDComponentPeer*> (ComponentPeer::getPeer (i)))
-            if (wp->isInside (fg))
-                return true;
+    DWORD processID = 0;
+    GetWindowThreadProcessId (fg, &processID);
 
-    return false;
+    return (processID == GetCurrentProcessId());
 }
 
 // N/A on Windows as far as I know.