Add support for a "split" incognito behavior for extensions.

chrome/renderer/extensions/event_bindings.cc

Index: chrome/renderer/extensions/event_bindings.cc
diff --git a/chrome/renderer/extensions/event_bindings.cc b/chrome/renderer/extensions/event_bindings.cc
index 52f5d0e1c6e0f22516fda0d7a911c5359bb8eb62..55d1813f2c835e638a39abbf12c0e0f2f7bf61b2 100644
--- a/chrome/renderer/extensions/event_bindings.cc
+++ b/chrome/renderer/extensions/event_bindings.cc
@@ -143,9 +143,9 @@ static bool HasSufficientPermissions(ContextInfo* context,
                                      const GURL& event_url) {
   v8::Context::Scope context_scope(context->context);
 
-  bool incognito_permissions_ok = (!requires_incognito_access ||
-      ExtensionProcessBindings::HasIncognitoEnabled(context->extension_id));
-  if (!incognito_permissions_ok)
+  bool cross_profile_ok = (!requires_incognito_access ||
+      ExtensionProcessBindings::AllowCrossProfile(context->extension_id));
+  if (!cross_profile_ok)
     return false;
 
   // During unit tests, we might be invoked without a v8 context. In these