[Extensions] Handle some funny cases in script injection

chrome/browser/extensions/execute_script_apitest.cc

Index: chrome/browser/extensions/execute_script_apitest.cc
diff --git a/chrome/browser/extensions/execute_script_apitest.cc b/chrome/browser/extensions/execute_script_apitest.cc
index 38d5e97908f2afcbfdbeeca529dbf8af9ab5d406..90c30b856945656f4fc07c13a68d55206c82e351 100644
--- a/chrome/browser/extensions/execute_script_apitest.cc
+++ b/chrome/browser/extensions/execute_script_apitest.cc
@@ -117,3 +117,9 @@ IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, InjectIntoSubframesOnLoad) {
   ASSERT_TRUE(StartEmbeddedTestServer());
   ASSERT_TRUE(RunExtensionTest("executescript/subframes_on_load")) << message_;
 }
+
+IN_PROC_BROWSER_TEST_F(ExecuteScriptApiTest, RemovedFrames) {
+  SetupDelayedHostResolver();
+  ASSERT_TRUE(StartEmbeddedTestServer());
+  ASSERT_TRUE(RunExtensionTest("executescript/removed_frames")) << message_;
+}