Bug 1075182 - Package and load ClearKey Content Decryption Module at startup - r=Unfocused

browser/installer/package-manifest.in

@@ -922,3 +922,10 @@ bin/libfreebl_32int64_3.so
 @BINPATH@/clang_rt.asan_dynamic-i386.dll
 #endif
 #endif
+
+
+; media
+#ifdef MOZ_EME
+@BINPATH@/gmp-clearkey/0.1/@DLL_PREFIX@clearkey@DLL_SUFFIX@
+@BINPATH@/gmp-clearkey/0.1/clearkey.info
+#endif

toolkit/mozapps/extensions/internal/OpenH264Provider.jsm

@@ -26,6 +26,10 @@ const STRING_TYPE_NAME         = "type.%ID%.name";
 
 const SEC_IN_A_DAY              = 24 * 60 * 60;
 
+const EME_PREF_ENABLED         = "media.eme.enabled";
+const CLEARKEY_PLUGIN_ID       = "gmp-clearkey";
+const CLEARKEY_VERSION         = "0.1";
+
 const OPENH264_PLUGIN_ID       = "gmp-gmpopenh264";
 const OPENH264_PREF_BRANCH     = "media." + OPENH264_PLUGIN_ID + ".";
 const OPENH264_PREF_ENABLED    = "enabled";
@@ -277,6 +281,16 @@ let OpenH264Provider = {
       }
     }
 
+    if (Preferences.get(EME_PREF_ENABLED, false)) {
+      try {
+        gmpService.addPluginDirectory(OS.Path.join(OS.Constants.Path.libDir,
+                                                   CLEARKEY_PLUGIN_ID,
+                                                   CLEARKEY_VERSION));
+      } catch (e) {
+        this._log.warn("startup() - adding clearkey CDM failed", e);
+      }
+    }
+
     let telemetry = {};
     if (this.isEnabled) {
       telemetry[OPENH264_PLUGIN_ID] = {