Introduce WebInputMethodController to blink

third_party/WebKit/Source/web/WebFrameWidgetImpl.h

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 34 matching lines @@
 #include "wtf/HashSet.h"
 
 namespace blink {
 class Frame;
 class Element;
 class LocalFrame;
 class Page;
 class PaintLayerCompositor;
 class UserGestureToken;
 class CompositorAnimationTimeline;
+class WebInputMethodControllerImpl;
 class WebLayer;
 class WebLayerTreeView;
 class WebMouseEvent;
 class WebMouseWheelEvent;
 class WebFrameWidgetImpl;
 
 using WebFrameWidgetsSet = PersistentHeapHashSet<WeakMember<WebFrameWidgetImpl>>;
 
 class WebFrameWidgetImpl final : public GarbageCollectedFinalized<WebFrameWidgetImpl>
     , public WebFrameWidgetBase
@@ skipping 52 matching lines @@
     void didLosePointerLock() override;
     bool getCompositionCharacterBounds(WebVector<WebRect>& bounds) override;
     void applyReplacementRange(const WebRange&) override;
 
     // WebFrameWidget implementation.
     WebLocalFrameImpl* localRoot() override { return m_localRoot; }
     void setVisibilityState(WebPageVisibilityState) override;
     bool isTransparent() const override;
     void setIsTransparent(bool) override;
     void setBaseBackgroundColor(WebColor) override;
+    WebInputMethodControllerImpl* getActiveWebInputMethodController() const;
 
     Frame* focusedCoreFrame() const;
 
     // Returns the currently focused Element or null if no element has focus.
     Element* focusedElement() const;
 
     PaintLayerCompositor* compositor() const;
 
     // WebFrameWidgetBase overrides:
     bool forSubframe() const override { return true; }
@@ skipping 114 matching lines @@
     WebColor m_baseBackgroundColor;
 
     SelfKeepAlive<WebFrameWidgetImpl> m_selfKeepAlive;
 };
 
 DEFINE_TYPE_CASTS(WebFrameWidgetImpl, WebFrameWidgetBase, widget, widget->forSubframe(), widget.forSubframe());
 
 } // namespace blink
 
 #endif