Allow content script insertion on about:-URLs.

chrome/browser/extensions/script_executor.cc

Index: chrome/browser/extensions/script_executor.cc
diff --git a/chrome/browser/extensions/script_executor.cc b/chrome/browser/extensions/script_executor.cc
index 703a35bd8b7f9aff390b2306780b2359f8ab96b0..1fd5c5e69d2682a0d0f2c194063d06a891f4f53b 100644
--- a/chrome/browser/extensions/script_executor.cc
+++ b/chrome/browser/extensions/script_executor.cc
@@ -113,6 +113,7 @@ void ScriptExecutor::ExecuteScript(
     ScriptExecutor::ScriptType script_type,
     const std::string& code,
     ScriptExecutor::FrameScope frame_scope,
+    bool match_about_blank,
     UserScript::RunLocation run_at,
     ScriptExecutor::WorldType world_type,
     ScriptExecutor::ProcessType process_type,
@@ -126,6 +127,7 @@ void ScriptExecutor::ExecuteScript(
   params.is_javascript = (script_type == JAVASCRIPT);
   params.code = code;
   params.all_frames = (frame_scope == ALL_FRAMES);
+  params.match_about_blank = match_about_blank;
   params.run_at = static_cast<int>(run_at);
   params.in_main_world = (world_type == MAIN_WORLD);
   params.is_web_view = (process_type == WEB_VIEW_PROCESS);