Reland r57788 - Expose Extension Bindings to Component Applications

chrome/renderer/resources/extension_process_bindings.js

Index: chrome/renderer/resources/extension_process_bindings.js
diff --git a/chrome/renderer/resources/extension_process_bindings.js b/chrome/renderer/resources/extension_process_bindings.js
index fee9b4c720977c0db03543db6c83fc01dff06e14..f5856a71ae1be4461e4b35d8fcf33fbb3922dfac 100644
--- a/chrome/renderer/resources/extension_process_bindings.js
+++ b/chrome/renderer/resources/extension_process_bindings.js
@@ -27,6 +27,9 @@ var chrome = chrome || {};
   // ensure we don't expose the APIs in that case.
   if (!IsExtensionProcess()) {
     chromeHidden.onLoad.addListener(function (extensionId) {
+      if (!extensionId) {
+        return;
+      }
       chrome.initExtension(extensionId, false);
     });
     return;
@@ -296,6 +299,9 @@ var chrome = chrome || {};
   }
 
   chromeHidden.onLoad.addListener(function (extensionId) {
+    if (!extensionId) {
+      return;
+    }
     chrome.initExtension(extensionId, false);
 
     // |apiFunctions| is a hash of name -> object that stores the