Make limitations for input.ime.sendKeyEvents API.

ui/base/ime/input_method_base.cc

 // Copyright (c) 2012 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 "ui/base/ime/input_method_base.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 181 matching lines @@
     else
       GetTextInputClient()->ClearCompositionText();
   }
   SendFakeProcessKeyEvent(false);
 }
 
 void InputMethodBase::DeleteSurroundingText(int32_t offset, uint32_t length) {}
 
 void InputMethodBase::SendKeyEvent(KeyEvent* event) {
   sending_key_event_ = true;
+  if (track_key_events_for_testing_) {
+    key_events_for_testing_.push_back(
+        std::unique_ptr<ui::KeyEvent>(new KeyEvent(*event)));
+  }
   DispatchKeyEvent(event);
   sending_key_event_ = false;
 }
 
+InputMethod* InputMethodBase::GetInputMethod() {
+  return this;
+}
+
+const std::vector<std::unique_ptr<ui::KeyEvent>>&
+InputMethodBase::GetKeyEventsForTesting() {
+  return key_events_for_testing_;
+}
+
 }  // namespace ui