Companion change to https://bugs.webkit.org/show_bug.cgi?id=15457. Add loggi...

webkit/tools/npapi_layout_test_plugin/main.cpp

 /*
  IMPORTANT:  This Apple software is supplied to you by Apple Computer, Inc. ("Apple") in
  consideration of your agreement to the following terms, and your use, installation,
  modification or redistribution of this Apple software constitutes acceptance of these
  terms.  If you do not agree with these terms, please do not use, install, modify or
  redistribute this Apple software.
 
  In consideration of your agreement to abide by the following terms, and subject to these
  terms, Apple grants you a personal, non-exclusive license, under Apple’s copyrights in
  this original Apple software (the "Apple Software"), to use, reproduce, modify and
@@ skipping 125 matching lines @@
 
         for (int i = 0; i < argc; i++) {
             if (strcasecmp(argn[i], "onstreamload") == 0 && !obj->onStreamLoad)
                 obj->onStreamLoad = strdup(argv[i]);
             else if (strcasecmp(argn[i], "onStreamDestroy") == 0 && !obj->onStreamDestroy)
                 obj->onStreamDestroy = strdup(argv[i]);
             else if (strcasecmp(argn[i], "onURLNotify") == 0 && !obj->onURLNotify)
                 obj->onURLNotify = strdup(argv[i]);
             else if (strcasecmp(argn[i], "logfirstsetwindow") == 0)
                 obj->logSetWindow = TRUE;
+            else if (strcasecmp(argn[i], "logSrc") == 0) {
+                for (int i = 0; i < argc; i++) {
+                    if (strcasecmp(argn[i], "src") == 0) {
+                        log(instance, "src: %s", argv[i]);
+                        fflush(stdout);
+                    }
+                }
+            }
         }
 
         instance->pdata = obj;
     }
 
     // On Windows and Unix, plugins only get events if they are windowless.
     return browser->setvalue(instance, NPPVpluginWindowBool, NULL);
 }
 
 NPError NPP_Destroy(NPP instance, NPSavedData **save)
@@ skipping 281 matching lines @@
         *v = obj;
         return NPERR_NO_ERROR;
     }
     return NPERR_GENERIC_ERROR;
 }
 
 NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value)
 {
     return NPERR_GENERIC_ERROR;
 }