Allow content script insertion on about:-URLs.

chrome/browser/extensions/api/execute_code_function.cc

Index: chrome/browser/extensions/api/execute_code_function.cc
diff --git a/chrome/browser/extensions/api/execute_code_function.cc b/chrome/browser/extensions/api/execute_code_function.cc
index 9a7ec7d75cb8a83b66a414b1fc801352fd0c3b0d..f9632003025966717f7fe8825ec443ccb35d832c 100644
--- a/chrome/browser/extensions/api/execute_code_function.cc
+++ b/chrome/browser/extensions/api/execute_code_function.cc
@@ -124,6 +124,9 @@ bool ExecuteCodeFunction::Execute(const std::string& code_string) {
           ScriptExecutor::ALL_FRAMES :
           ScriptExecutor::TOP_FRAME;
 
+  bool match_about_blank =
+      details_->matches_about_blank.get() && *details_->matches_about_blank;
+
   UserScript::RunLocation run_at =
       UserScript::UNDEFINED;
   switch (details_->run_at) {
@@ -145,6 +148,7 @@ bool ExecuteCodeFunction::Execute(const std::string& code_string) {
       script_type,
       code_string,
       frame_scope,
+      match_about_blank,
       run_at,
       ScriptExecutor::ISOLATED_WORLD,
       IsWebView() ? ScriptExecutor::WEB_VIEW_PROCESS