Bug 1093349 - Add prettyPrinting and blackBoxing traits and hide buttons in debugger conditionally. r=past, a=me

browser/devtools/debugger/debugger-controller.js

@@ -215,6 +215,8 @@ let DebuggerController = {
         yield this._startTracingTab(traceActor);
       }
     }
+
+    this._hideUnsupportedFeatures();
   }),
 
   /**
@@ -231,6 +233,16 @@ let DebuggerController = {
     this.activeThread = null;
   },
 
+  _hideUnsupportedFeatures: function() {
+    if (this.client.mainRoot.traits.noPrettyPrinting) {
+      DebuggerView.Sources.hidePrettyPrinting();
+    }
+
+    if (this.client.mainRoot.traits.noBlackBoxing) {
+      DebuggerView.Sources.hideBlackBoxing();
+    }
+  },
+
   /**
    * Called for each location change in the debugged tab.
    *