#255608

r=pedemonte, sr=blizzard (platform specific), a=mkaply (OS/2 only)
Don't let F1 go to the OS - let Mozilla handle it

widget/src/os2/nsWindow.cpp

@@ -2407,6 +2407,10 @@ PRBool nsWindow::ProcessMessage( ULONG msg, MPARAM mp1, MPARAM mp2, MRESULT &rc)
                     ((SHORT1FROMMP(mp1) & KC_VIRTUALKEY) &&    
                      ((SHORT1FROMMP(mp1) & (KC_SHIFT | KC_ALT | KC_CTRL)) == 0) &&
                      (SHORT2FROMMP(mp2) == VK_F10)) ||
+                // Let Mozilla handle standalone F1, not the OS
+                    ((SHORT1FROMMP(mp1) & KC_VIRTUALKEY) &&    
+                     ((SHORT1FROMMP(mp1) & (KC_SHIFT | KC_ALT | KC_CTRL)) == 0) &&
+                     (SHORT2FROMMP(mp2) == VK_F1)) ||
                 // Let Mozilla handle standalone Alt, not the OS
                     ((SHORT1FROMMP(mp1) & KC_KEYUP) && (SHORT1FROMMP(mp1) & KC_LONEKEY) &&
                      (SHORT2FROMMP(mp2) == VK_ALT)) ||