Revert of Refactoring: de-couple Extensions from "script injection System" [render side]:2

extensions/browser/user_script_loader.cc

Index: extensions/browser/user_script_loader.cc
diff --git a/extensions/browser/user_script_loader.cc b/extensions/browser/user_script_loader.cc
index cc0ce00cf82f4c2d9a8e0122ca8f6b1d082207c6..2b836332feba5479d89b2d0b271eeab152d76386 100644
--- a/extensions/browser/user_script_loader.cc
+++ b/extensions/browser/user_script_loader.cc
@@ -444,24 +444,11 @@
   // We've got scripts ready to go.
   shared_memory_.reset(shared_memory.release());
 
-  // If user scripts are comming from a <webview>, will only notify the
-  // RenderProcessHost of that <webview>; otherwise will notify all of the
-  // RenderProcessHosts.
-  if (user_scripts && !user_scripts->empty() &&
-      (*user_scripts)[0].consumer_instance_type() ==
-          UserScript::ConsumerInstanceType::WEBVIEW) {
-    DCHECK_EQ(1u, user_scripts->size());
-    int render_process_id = (*user_scripts)[0].routing_info().render_process_id;
-    content::RenderProcessHost* host =
-        content::RenderProcessHost::FromID(render_process_id);
-    if (host)
-      SendUpdate(host, shared_memory_.get(), changed_hosts_);
-  } else {
-    for (content::RenderProcessHost::iterator i(
-            content::RenderProcessHost::AllHostsIterator());
-        !i.IsAtEnd(); i.Advance()) {
-      SendUpdate(i.GetCurrentValue(), shared_memory_.get(), changed_hosts_);
-    }
+  for (content::RenderProcessHost::iterator i(
+           content::RenderProcessHost::AllHostsIterator());
+       !i.IsAtEnd();
+       i.Advance()) {
+    SendUpdate(i.GetCurrentValue(), shared_memory_.get(), changed_hosts_);
   }
   changed_hosts_.clear();