Transfer ownership of InputMethodController from LocalFrame to DOMWindow

third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp

Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
index 90e2efa7b28ad40920d83754ff273ea0deffa1ff..16d2ef733cd0a487f386a41d5d6abf794292bec3 100644
--- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
@@ -44,6 +44,7 @@
 #include "core/dom/UserGestureIndicator.h"
 #include "core/dom/custom/CustomElementRegistry.h"
 #include "core/editing/Editor.h"
+#include "core/editing/InputMethodController.h"
 #include "core/events/DOMWindowEventQueue.h"
 #include "core/events/HashChangeEvent.h"
 #include "core/events/MessageEvent.h"
@@ -277,7 +278,8 @@ LocalDOMWindow::LocalDOMWindow(LocalFrame& frame)
           this,
           &LocalDOMWindow::WarnUnusedPreloads),
       should_print_when_finished_loading_(false),
-      custom_elements_(this, nullptr) {}
+      custom_elements_(this, nullptr),
+      input_method_controller_(InputMethodController::Create(frame)) {}
 
 void LocalDOMWindow::ClearDocument() {
   if (!document_)
@@ -1662,6 +1664,7 @@ DEFINE_TRACE(LocalDOMWindow) {
   visitor->Trace(post_message_timers_);
   visitor->Trace(view_);
   visitor->Trace(event_listener_observers_);
+  visitor->Trace(input_method_controller_);
   DOMWindow::Trace(visitor);
   Supplementable<LocalDOMWindow>::Trace(visitor);
 }