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

chrome/browser/chromeos/input_method/input_method_engine.cc

 // Copyright 2013 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/input_method_engine.h"
 
 #undef FocusIn
 #undef FocusOut
 #undef RootWindow
 #include <map>
@@ skipping 493 matching lines @@
 
 void InputMethodEngine::HideInputView() {
   keyboard::KeyboardController* keyboard_controller =
     keyboard::KeyboardController::GetInstance();
   if (keyboard_controller) {
     keyboard_controller->HideKeyboard(
         keyboard::KeyboardController::HIDE_REASON_MANUAL);
   }
 }
 
+void InputMethodEngine::SetCompositionBounds(const gfx::Rect& bounds) {
+  observer_->OnCompositionBoundsChanged(bounds);
+}
+
 void InputMethodEngine::EnableInputView() {
 #if defined(USE_ATHENA)
   // Athena does not currently support an extension-based VK. Blocking the
   // override forces Athena to use to the system fallback VK, without
   // interfering with the rest of the IME system.
   // TODO(shuchen|kevers): Remove override suppression once supported.
   // See crbug/407579, crbug/414940 and crbug/418078.
   NOTIMPLEMENTED();
 #else
   keyboard::SetOverrideContentUrl(input_method::InputMethodManager::Get()
@@ skipping 166 matching lines @@
           // TODO(nona): Implement it.
           break;
       }
     }
   }
 
   // TODO(nona): Support item.children.
 }
 
 }  // namespace chromeos