Refactoring: de-couple Extensions from "script injection System" [render side] : 1

extensions/renderer/script_injector.h

Index: extensions/renderer/script_injector.h
diff --git a/extensions/renderer/script_injector.h b/extensions/renderer/script_injector.h
index 9b4aca96b9d479b39652b54aa21de60d538f9629..eeea4ea12ca4d424a0f086065a634b4e47c981b2 100644
--- a/extensions/renderer/script_injector.h
+++ b/extensions/renderer/script_injector.h
@@ -13,13 +13,13 @@
 #include "third_party/WebKit/public/web/WebScriptSource.h"
 
 class GURL;
+class InjectionHost;
 
 namespace blink {
 class WebFrame;
 }
 
 namespace extensions {
-class Extension;
 struct ScriptsRunInfo;
 
 // The pseudo-delegate class for a ScriptInjection that provides all necessary
@@ -61,7 +61,7 @@ class ScriptInjector {
 
   // Returns true if the script should execute on the given |frame|.
   virtual PermissionsData::AccessType CanExecuteOnFrame(
-      const Extension* extension,
+      const InjectionHost* injection_host,
       blink::WebFrame* web_frame,
       int tab_id,
       const GURL& top_url) const = 0;