Mac: First steps for default plugin

chrome/plugin/plugin_thread.cc

Index: chrome/plugin/plugin_thread.cc
diff --git a/chrome/plugin/plugin_thread.cc b/chrome/plugin/plugin_thread.cc
index e74e95eaa5650705f42835335d2cd5a1bf7e439b..0920c7c3d3292a6e8326e08773e888631e804368 100644
--- a/chrome/plugin/plugin_thread.cc
+++ b/chrome/plugin/plugin_thread.cc
@@ -207,14 +207,11 @@ bool GetPluginFinderURL(std::string* plugin_finder_url) {
 }
 
 bool IsDefaultPluginEnabled() {
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(OS_MACOSX)
   return true;
 #elif defined(OS_LINUX)
   // http://code.google.com/p/chromium/issues/detail?id=10952
   return false;
-#elif defined(OS_MACOSX)
-  // http://code.google.com/p/chromium/issues/detail?id=17392
-  return false;
 #endif
 }