Update required minimum Java version on Windows to 10.7.

chrome/browser/resources/plugin_metadata/plugins_win.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 44 matching lines @@
       {
         "version": "6.0.350",
         "status": "requires_authorization",
         "comment": "Java SE 6 Update 35. '350' is not a typo."
       },
       {
         "version": "7",
         "status": "out_of_date"
       },
       {
-        "version": "10.7.2",
+        "version": "10.7",
         "status": "requires_authorization",
         "comment": "Java SE 7u7"
       }
     ],
     "lang": "en-US",
     "name": "Java(TM)",
     "help_url": "https://support.google.com/chrome/?p=plugin_java",
     "url": "http://java.com/download",
     "displayurl": true,
     "group_name_matcher": "Java"
@@ skipping 236 matching lines @@
       {
         "version": "0",
         "status": "up_to_date",
         "comment": "Chrome PDF Viewer has no version information."
       }
     ],
     "name": "Chrome PDF Viewer",
     "group_name_matcher": "Chrome PDF Viewer"
   }
 }