Correctly sets the security origin for the IME window.

chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc

Index: chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc
diff --git a/chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc b/chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc
index f6f3fb5f39257ff28f11b9d501318dba636ad3d4..7390dd900d62655f92f5f5bb727498bb674c9918 100644
--- a/chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc
+++ b/chrome/browser/extensions/api/input_ime/input_ime_api_nonchromeos.cc
@@ -224,7 +224,8 @@ ExtensionFunction::ResponseAction InputImeCreateWindowFunction::Run() {
     return RespondNow(Error(kErrorNoActiveEngine));
 
   int frame_id = engine->CreateImeWindow(
-      extension(), options.url.get() ? *options.url : url::kAboutBlankURL,
+      extension(), render_frame_host(),
+      options.url.get() ? *options.url : url::kAboutBlankURL,
       options.window_type == input_ime::WINDOW_TYPE_FOLLOWCURSOR
           ? ui::ImeWindow::FOLLOW_CURSOR
           : ui::ImeWindow::NORMAL,