Transfer ownership of InputMethodController from LocalFrame to DOMWindow

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

Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
index f64499cace3090cb8a1f0c2b51782436600182e2..6315e9b92d00cf63a4da883710a13667a43fdff9 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
@@ -384,7 +384,6 @@ DEFINE_TRACE(LocalFrame) {
   visitor->Trace(selection_);
   visitor->Trace(event_handler_);
   visitor->Trace(console_);
-  visitor->Trace(input_method_controller_);
   visitor->Trace(frame_resource_coordinator_);
   Frame::Trace(visitor);
   Supplementable<LocalFrame>::Trace(visitor);
@@ -935,7 +934,6 @@ inline LocalFrame::LocalFrame(LocalFrameClient* client,
       selection_(FrameSelection::Create(*this)),
       event_handler_(new EventHandler(*this)),
       console_(FrameConsole::Create(*this)),
-      input_method_controller_(InputMethodController::Create(*this)),
       navigation_disable_count_(0),
       page_zoom_factor_(ParentPageZoomFactor(this)),
       text_zoom_factor_(ParentTextZoomFactor(this)),
@@ -1255,4 +1253,8 @@ void LocalFrame::SetViewportIntersectionFromParent(
   }
 }
 
+InputMethodController& LocalFrame::GetInputMethodController() const {
+  return *DomWindow()->GetInputMethodController();
+}
+
 }  // namespace blink