Implement chrome.input.ime.setComposition/commitText API.

ui/base/ime/input_method_chromeos.h

Index: ui/base/ime/input_method_chromeos.h
diff --git a/ui/base/ime/input_method_chromeos.h b/ui/base/ime/input_method_chromeos.h
index 83da4e4886ae496d43cae3ac0e8abf18854a552e..343e85dec8438e29aaf1ab7fb7867a75cd7b2017 100644
--- a/ui/base/ime/input_method_chromeos.h
+++ b/ui/base/ime/input_method_chromeos.h
@@ -22,9 +22,7 @@
 namespace ui {
 
 // A ui::InputMethod implementation based on IBus.
-class UI_BASE_IME_EXPORT InputMethodChromeOS
-    : public InputMethodBase,
-      public ui::IMEInputContextHandlerInterface {
+class UI_BASE_IME_EXPORT InputMethodChromeOS : public InputMethodBase {
  public:
   explicit InputMethodChromeOS(internal::InputMethodDelegate* delegate);
   ~InputMethodChromeOS() override;
@@ -89,10 +87,6 @@ class UI_BASE_IME_EXPORT InputMethodChromeOS
   // Checks if there is pending input method result.
   bool HasInputMethodResult() const;
 
-  // Sends a fake key event for IME composing without physical key events.
-  // Returns true if the faked key event is stopped propagation.
-  bool SendFakeProcessKeyEvent(bool pressed) const;
-
   // Passes keyevent and executes character composition if necessary. Returns
   // true if character composer comsumes key event.
   bool ExecuteCharacterComposer(const ui::KeyEvent& event);