Bug 884388 - Add inner/outerHTML requests to the walker actor. r=paul

--HG--
extra : rebase_source : 7fe93afb46ce07bf17c9bf503056d345506f17b6

toolkit/devtools/server/actors/inspector.js

@@ -1300,6 +1300,34 @@ var WalkerActor = protocol.ActorClass({
     response: {}
   }),
 
+  /**
+   * Get a node's innerHTML property.
+   */
+  innerHTML: method(function(node) {
+    return LongStringActor(this.conn, node.rawNode.innerHTML);
+  }, {
+    request: {
+      node: Arg(0, "domnode")
+    },
+    response: {
+      value: RetVal("longstring")
+    }
+  }),
+
+  /**
+   * Get a node's outerHTML property.
+   */
+  outerHTML: method(function(node) {
+    return LongStringActor(this.conn, node.rawNode.outerHTML);
+  }, {
+    request: {
+      node: Arg(0, "domnode")
+    },
+    response: {
+      value: RetVal("longstring")
+    }
+  }),
+
   /**
    * Get any pending mutation records.  Must be called by the client after
    * the `new-mutations` notification is received.  Returns an array of

toolkit/devtools/server/tests/mochitest/test_inspector-traversal.html

@@ -53,6 +53,26 @@ addTest(function testWalkerRoot() {
   }).then(runNextTest));
 });
 
+addTest(function testInnerHTML() {
+  promiseDone(gWalker.documentElement().then(docElement => {
+    return gWalker.innerHTML(docElement);
+  }).then(longstring => {
+    return longstring.string();
+  }).then(innerHTML => {
+    ok(innerHTML === gInspectee.documentElement.innerHTML, "innerHTML should match");
+  }).then(runNextTest));
+});
+
+addTest(function testOuterHTML() {
+  promiseDone(gWalker.documentElement().then(docElement => {
+    return gWalker.outerHTML(docElement);
+  }).then(longstring => {
+    return longstring.string();
+  }).then(outerHTML => {
+    ok(outerHTML === gInspectee.documentElement.outerHTML, "outerHTML should match");
+  }).then(runNextTest));
+});
+
 addTest(function testQuerySelector() {
   promiseDone(gWalker.querySelector(gWalker.rootNode, "#longlist").then(node => {
     is(node.getAttribute("data-test"), "exists", "should have found the right node");