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

chrome/browser/extensions/extension_message_service.h

Index: chrome/browser/extensions/extension_message_service.h
diff --git a/chrome/browser/extensions/extension_message_service.h b/chrome/browser/extensions/extension_message_service.h
index e18140b21aac463a4949a78e2f0aae84bbed143a..9d8c038d1174b18d72027d6a66b2fd89f1cb05ae 100644
--- a/chrome/browser/extensions/extension_message_service.h
+++ b/chrome/browser/extensions/extension_message_service.h
@@ -87,14 +87,14 @@ class ExtensionMessageService
   // event is only sent to extension with host permissions for this url.
   virtual void DispatchEventToRenderers(
       const std::string& event_name, const std::string& event_args,
-      bool has_incognito_data, const GURL& event_url);
+      Profile* source_profile, const GURL& event_url);
 
   // Same as above, except use the extension-specific naming scheme for the
   // event. This is used by events that are per-extension.
   void DispatchEventToExtension(
       const std::string& extension_id,
       const std::string& event_name, const std::string& event_args,
-      bool has_incognito_data, const GURL& event_url);
+      Profile* source_profile, const GURL& event_url);
 
   // Given an extension's ID, opens a channel between the given renderer "port"
   // and every listening context owned by that extension. |channel_name| is