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

extensions/browser/api/web_view/web_view_internal_api.cc

Index: extensions/browser/api/web_view/web_view_internal_api.cc
diff --git a/extensions/browser/api/web_view/web_view_internal_api.cc b/extensions/browser/api/web_view/web_view_internal_api.cc
index 6270ec1eb9d8b7ac8bf177b86b6dfde49c80c1d0..35367f7be7143a0b03eb7bced0b8c82aa368fbf8 100644
--- a/extensions/browser/api/web_view/web_view_internal_api.cc
+++ b/extensions/browser/api/web_view/web_view_internal_api.cc
@@ -70,7 +70,9 @@ bool WebViewInternalNavigateFunction::RunAsyncSafe(WebViewGuest* guest) {
 }
 
 WebViewInternalExecuteCodeFunction::WebViewInternalExecuteCodeFunction()
-    : guest_instance_id_(0), guest_src_(GURL::EmptyGURL()) {
+    : guest_instance_id_(0),
+      guest_src_(GURL::EmptyGURL()),
+      script_injection_instance_id_(0) {
 }
 
 WebViewInternalExecuteCodeFunction::~WebViewInternalExecuteCodeFunction() {
@@ -102,6 +104,9 @@ bool WebViewInternalExecuteCodeFunction::Init() {
     return false;
 
   details_ = details.Pass();
+  script_injection_instance_id_ = WebViewGuest::GetOrGenerateUniqueInstanceID(
+          render_view_host()->GetProcess()->GetID(), guest_instance_id_);
+
   return true;
 }
 
@@ -133,6 +138,10 @@ const GURL& WebViewInternalExecuteCodeFunction::GetWebViewSrc() const {
   return guest_src_;
 }
 
+int WebViewInternalExecuteCodeFunction:: GetScriptInjectionInstanceId() const {
+  return script_injection_instance_id_;
+}
+
 WebViewInternalExecuteScriptFunction::WebViewInternalExecuteScriptFunction() {
 }