Using MIME types in addition to plugin name to differentiate between plugins.

chrome/browser/resources/plugin_metadata/plugins_linux.json

Index: chrome/browser/resources/plugin_metadata/plugins_linux.json
diff --git a/chrome/browser/resources/plugin_metadata/plugins_linux.json b/chrome/browser/resources/plugin_metadata/plugins_linux.json
index e3aad1c18c803344dbb6c705b49dc73b1b05e94f..83a3fe49210cc90da835ba89deb65a5648094252 100644
--- a/chrome/browser/resources/plugin_metadata/plugins_linux.json
+++ b/chrome/browser/resources/plugin_metadata/plugins_linux.json
@@ -74,6 +74,9 @@
       "application/futuresplash",
       "application/x-shockwave-flash"
     ],
+    "matching_mime_types": [
+      "application/futuresplash"
+    ],
     "versions": [
       {
         "version": "11.1.102",
@@ -88,6 +91,25 @@
     "displayurl": true,
     "group_name_matcher": "Shockwave Flash"
   },
+  "lightspark": {
+    "mime_types": [
+      "application/x-lightspark",
+    ],
+    "matching_mime_types": [
+      "application/x-lightspark"
+    ],
+    "versions": [
+      {
+        "version": "0",
+        "status": "requires_authorization"
+      }
+    ],
+    "lang": "en-US",
+    "name": "Lightspark",
+    "displayurl": true,
+    "url": "https://launchpad.net/lightspark",
+    "group_name_matcher": "Shockwave Flash"
+  },
   "redhat-icetea-java": {
     "mime_types": [
     ],