Initialize content scripts the same way extension scripts are.

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 9c95f434cde1f375d5cebcd9464831482d651534..c0c93eeecaf3bf342a43054db64cfe6c80349186 100644
--- a/chrome/renderer/resources/extension_process_bindings.js
+++ b/chrome/renderer/resources/extension_process_bindings.js
@@ -18,8 +18,6 @@ var chrome = chrome || {};
   native function OpenChannelToTab();
   native function GetRenderViewId();
   native function SetIconCommon();
-  native function IsExtensionProcess();
-  native function IsIncognitoProcess();
   native function GetUniqueSubEventName(eventName);
   native function GetLocalFileSystem(name, path);
   native function DecodeJPEG(jpeg_image);
@@ -27,19 +25,6 @@ var chrome = chrome || {};
 
   var chromeHidden = GetChromeHidden();
 
-  // These bindings are for the extension process only. Since a chrome-extension
-  // URL can be loaded in an iframe of a regular renderer, we check here to
-  // 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;
-  }
-
   if (!chrome)
     chrome = {};
 
@@ -590,11 +575,10 @@ var chrome = chrome || {};
     return "unknown";
   }
 
-  chromeHidden.onLoad.addListener(function (extensionId) {
-    if (!extensionId) {
+  chromeHidden.onLoad.addListener(function(extensionId, isExtensionProcess,
+                                           isIncognitoProcess) {
+    if (!isExtensionProcess)

[Matt Perry, 2011/08/24 22:11:34]

not all the extension-specific code is in this listener. see the end of the
file: we'll still end up exposing a stubbed-out chrome.experimental, chrome.tts,
etc. though maybe that's OK?

       return;
-    }
-    chrome.initExtension(extensionId, false, IsIncognitoProcess());
 
     // Setup the ChromeSetting class so we can use it to construct
     // ChromeSetting objects from the API definition.