Make miscellaneous_bindings and event_bindings Required as needed. Previously

chrome/renderer/resources/extensions/tabs_custom_bindings.js

Index: chrome/renderer/resources/extensions/tabs_custom_bindings.js
diff --git a/chrome/renderer/resources/extensions/tabs_custom_bindings.js b/chrome/renderer/resources/extensions/tabs_custom_bindings.js
index 0d7c405ef2928f39aef27023837649daba5c9b0d..bd2086c038a67ede7e7acba525067aa0865b4ada 100644
--- a/chrome/renderer/resources/extensions/tabs_custom_bindings.js
+++ b/chrome/renderer/resources/extensions/tabs_custom_bindings.js
@@ -6,12 +6,11 @@
 
 var binding = require('binding').Binding.create('tabs');
 
+var miscBindings = require('miscellaneous_bindings');
 var tabsNatives = requireNative('tabs');
 var OpenChannelToTab = tabsNatives.OpenChannelToTab;
 var sendRequestIsDisabled = requireNative('process').IsSendRequestDisabled();
 
-var chromeHidden = requireNative('chrome_hidden').GetChromeHidden();
-
 binding.registerCustomHook(function(bindingsAPI, extensionId) {
   var apiFunctions = bindingsAPI.apiFunctions;
   var tabs = bindingsAPI.compiledApi;
@@ -22,21 +21,21 @@ binding.registerCustomHook(function(bindingsAPI, extensionId) {
       name = connectInfo.name || name;
     }
     var portId = OpenChannelToTab(tabId, extensionId, name);
-    return chromeHidden.Port.createPort(portId, name);
+    return miscBindings.createPort(portId, name);
   });
 
   apiFunctions.setHandleRequest('sendRequest',
                                 function(tabId, request, responseCallback) {
     if (sendRequestIsDisabled)
       throw new Error(sendRequestIsDisabled);
-    var port = tabs.connect(tabId, {name: chromeHidden.kRequestChannel});
-    chromeHidden.Port.sendMessageImpl(port, request, responseCallback);
+    var port = tabs.connect(tabId, {name: miscBindings.kRequestChannel});
+    miscBindings.sendMessageImpl(port, request, responseCallback);
   });
 
   apiFunctions.setHandleRequest('sendMessage',
                                 function(tabId, message, responseCallback) {
-    var port = tabs.connect(tabId, {name: chromeHidden.kMessageChannel});
-    chromeHidden.Port.sendMessageImpl(port, message, responseCallback);
+    var port = tabs.connect(tabId, {name: miscBindings.kMessageChannel});
+    miscBindings.sendMessageImpl(port, message, responseCallback);
   });
 });