Update version metadata for Reader, Shockwave.

chrome/browser/resources/plugin_metadata/plugins_mac.json

 {
   "google-talk": {
     "mime_types": [
     ],
     "versions": [
       {
         "version": "0",
         "status": "up_to_date",
         "comment": "'Google Talk Plugin' and 'Google Talk Plugin Video Accelerator' use two completely different versioning schemes, so we can't define a minimum version."
       }
@@ skipping 101 matching lines @@
     "url": "http://get.adobe.com/flashplayer/",
     "help_url": "https://support.google.com/chrome/?p=plugin_flash",
     "displayurl": true
   },
   "adobe-shockwave": {
     "mime_types": [
       "application/x-director"
     ],
     "versions": [
       {
-        "version": "11.6.4.634",
+        "version": "11.6.6.636",
         "status": "requires_authorization",
-        "reference": "http://www.adobe.com/support/security/bulletins/apsb12-02.html"
+        "reference": "http://www.adobe.com/support/security/bulletins/apsb12-17.html"
       }
     ],
     "lang": "en-US",
     "name": "Adobe Shockwave Player",
     "url": "http://fpdownload.macromedia.com/get/shockwave/default/english/macosx/latest/Shockwave_Installer_Full_64bit.dmg",
     "help_url": "https://support.google.com/chrome/?p=plugin_shockwave"
   },
   "apple-quicktime": {
     "mime_types": [
       "application/sdp",
@@ skipping 110 matching lines @@
         "status": "up_to_date",
         "reference": "http://support.microsoft.com/kb/2668562"
       }
     ],
     "lang": "en-US",
     "name": "Silverlight",
     "url": "http://go.microsoft.com/fwlink/?LinkID=149156",
     "displayurl": true
   }
 }