Revert of Prevent duplicate content script injection defined in manifest.json

extensions/renderer/programmatic_script_injector.cc

Index: extensions/renderer/programmatic_script_injector.cc
diff --git a/extensions/renderer/programmatic_script_injector.cc b/extensions/renderer/programmatic_script_injector.cc
index f381b52d3625a272da170be79a6b0172169b4502..e52885eee742fe261107ff1040b6628d9e532a83 100644
--- a/extensions/renderer/programmatic_script_injector.cc
+++ b/extensions/renderer/programmatic_script_injector.cc
@@ -94,8 +94,7 @@
 }
 
 std::vector<blink::WebScriptSource> ProgrammaticScriptInjector::GetJsSources(
-    UserScript::RunLocation run_location,
-    ScriptsRunInfo* scripts_run_info) const {
+    UserScript::RunLocation run_location) const {
   DCHECK_EQ(GetRunLocation(), run_location);
   DCHECK(params_->is_javascript);
 
@@ -106,8 +105,7 @@
 }
 
 std::vector<std::string> ProgrammaticScriptInjector::GetCssSources(
-    UserScript::RunLocation run_location,
-    ScriptsRunInfo* scripts_run_info) const {
+    UserScript::RunLocation run_location) const {
   DCHECK_EQ(GetRunLocation(), run_location);
   DCHECK(!params_->is_javascript);