Support a private event - inputMethodPrivate.onCompositionBoundsChanged so that component IME exten…

chrome/browser/chromeos/input_method/mock_input_method_engine.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/chromeos/input_method/mock_input_method_engine.h"
 
 #include <map>
 
 namespace chromeos {
 
@@ skipping 111 matching lines @@
 }
 
 void MockInputMethodEngine::CandidateClicked(uint32 index) {
 }
 
 void MockInputMethodEngine::SetSurroundingText(const std::string& text,
                                                uint32 cursor_pos,
                                                uint32 anchor_pos) {
 }
 
+void MockInputMethodEngine::SetCompositionBounds(const gfx::Rect& bounds) {
+}
+
 }  // namespace chromeos