Bug 899080 - Test fixup part 1 - Always enable test-plugins for reftests. r=jmaher

layout/tools/reftest/reftest.js

@@ -109,6 +109,9 @@ var gUnexpectedCrashDumpFiles = { };
 var gCrashDumpDir;
 var gFailedNoPaint = false;
 
+// The enabled-state of the test-plugins, stored so they can be reset later
+var gTestPluginEnabledStates = null;
+
 const TYPE_REFTEST_EQUAL = '==';
 const TYPE_REFTEST_NOTEQUAL = '!=';
 const TYPE_LOAD = 'load';     // test without a reference (just test that it does
@@ -208,6 +211,20 @@ function IDForEventTarget(event)
     }
 }
 
+function getTestPlugin(aName) {
+  var ph = CC["@mozilla.org/plugin/host;1"].getService(CI.nsIPluginHost);
+  var tags = ph.getPluginTags();
+
+  // Find the test plugin
+  for (var i = 0; i < tags.length; i++) {
+    if (tags[i].name == aName)
+      return tags[i];
+  }
+
+  LogWarning("Failed to find the test-plugin.");
+  return null;
+}
+
 this.OnRefTestLoad = function OnRefTestLoad(win)
 {
     gCrashDumpDir = CC[NS_DIRECTORY_SERVICE_CONTRACTID]
@@ -267,6 +284,17 @@ this.OnRefTestLoad = function OnRefTestLoad(win)
     document.getElementById("reftest-window").appendChild(gBrowser);
 #endif
 
+    // reftests should have the test plugins enabled, not click-to-play
+    let plugin1 = getTestPlugin("Test Plug-in");
+    let plugin2 = getTestPlugin("Second Test Plug-in");
+    if (plugin1 && plugin2) {
+      gTestPluginEnabledStates = [plugin1.enabledState, plugin2.enabledState];
+      plugin1.enabledState = CI.nsIPluginTag.STATE_ENABLED;
+      plugin2.enabledState = CI.nsIPluginTag.STATE_ENABLED;
+    } else {
+      LogWarning("Could not get test plugin tags.");
+    }
+
     gBrowserMessageManager = gBrowser.QueryInterface(CI.nsIFrameLoaderOwner)
                                      .frameLoader.messageManager;
     // The content script waits for the initial onload, then notifies
@@ -498,6 +526,14 @@ function StartTests()
 
 function OnRefTestUnload()
 {
+  let plugin1 = getTestPlugin("Test Plug-in");
+  let plugin2 = getTestPlugin("Second Test Plug-in");
+  if (plugin1 && plugin2) {
+    plugin1.enabledState = gTestPluginEnabledStates[0];
+    plugin2.enabledState = gTestPluginEnabledStates[1];
+  } else {
+    LogWarning("Failed to get test plugin tags.");
+  }
 }
 
 // Read all available data from an input stream and return it