Introduce WebInputMethodController to blink

third_party/WebKit/Source/web/WebViewFrameWidget.h

Index: third_party/WebKit/Source/web/WebViewFrameWidget.h
diff --git a/third_party/WebKit/Source/web/WebViewFrameWidget.h b/third_party/WebKit/Source/web/WebViewFrameWidget.h
index b844aa5589e5933046d61106046701bb799493e6..8875a4de010b4c2c40d8f23297e5ac467f66d276 100644
--- a/third_party/WebKit/Source/web/WebViewFrameWidget.h
+++ b/third_party/WebKit/Source/web/WebViewFrameWidget.h
@@ -7,6 +7,7 @@
 
 #include "platform/heap/Handle.h"
 #include "web/WebFrameWidgetBase.h"
+#include "web/WebInputMethodControllerImpl.h"
 #include "web/WebLocalFrameImpl.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
@@ -61,13 +62,6 @@ public:
         float topControlsShownRatioDelta) override;
     void mouseCaptureLost() override;
     void setFocus(bool) override;
-    bool setComposition(
-        const WebString& text,
-        const WebVector<WebCompositionUnderline>& underlines,
-        int selectionStart,
-        int selectionEnd) override;
-    bool commitText(const WebString& text, int relativeCaretPosition) override;
-    bool finishComposingText(ConfirmCompositionBehavior selectionBehavior) override;
     WebRange compositionRange() override;
     WebTextInputInfo textInputInfo() override;
     WebTextInputType textInputType() override;
@@ -94,6 +88,7 @@ public:
     void setIsTransparent(bool) override;
     void setBaseBackgroundColor(WebColor) override;
     WebLocalFrameImpl* localRoot() override;
+    WebInputMethodControllerImpl* getActiveWebInputMethodController() const override;
 
     // WebFrameWidgetBase overrides:
     bool forSubframe() const override { return false; }