Implement base.IPC

remoting/webapp/unittests/chrome_mocks.js

Index: remoting/webapp/unittests/chrome_mocks.js
diff --git a/remoting/webapp/unittests/chrome_mocks.js b/remoting/webapp/unittests/chrome_mocks.js
index 7a21da3c288d2bdf02d3e3056c7d8306a5972913..9b617843e2ef8e56c24e8644ac232f0cff90f2d4 100644
--- a/remoting/webapp/unittests/chrome_mocks.js
+++ b/remoting/webapp/unittests/chrome_mocks.js
@@ -28,9 +28,10 @@ chromeMocks.Event.prototype.removeListener = function(callback) {
   }
 };
 
-chromeMocks.Event.prototype.mock$fire = function(data) {
+chromeMocks.Event.prototype.mock$fire = function(var_args) {
+  var params = Array.prototype.slice.call(arguments);
   this.listeners_.forEach(function(listener){
-    listener(data);
+    listener.apply(null, params);
   });
 };
 
@@ -47,6 +48,22 @@ chromeMocks.runtime.Port = function() {
 chromeMocks.runtime.Port.prototype.disconnect = function() {};
 chromeMocks.runtime.Port.prototype.postMessage = function() {};
 
+chromeMocks.runtime.onMessage = new chromeMocks.Event();
+chromeMocks.runtime.sendMessage = function(extensionId, message,
+                                           responseCallback) {
+  base.debug.assert(
+      extensionId === null,
+      'The mock only supports sending messages to the same extension.');
+  extensionId = chrome.runtime.id;
+  window.requestAnimationFrame(function() {
+    var message_copy = deepCopy(message);

[Jamie, 2015/01/28 18:57:47]

Where is deepCopy defined? I don't see it in trunk or in this CL, and I get an
error trying to call it from the current v2 app, so I don't think it's
pre-defined either.

+    chromeMocks.runtime.onMessage.mock$fire(
+        message_copy, {id: extensionId}, responseCallback);
+  });
+};
+
+chromeMocks.runtime.id = 'extensionId';
+
 chromeMocks.storage = {};
 
 // Sample implementation of chrome.StorageArea according to