Implement 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"
 #include "ui/base/ime/ime_bridge.h"
 #include "ui/base/ime/input_method_delegate.h"
 #include "ui/base/ime/input_method_observer.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 
 namespace ui {
 
 InputMethodBase::InputMethodBase()
-    : delegate_(nullptr), text_input_client_(nullptr) {}
+    : sending_key_event_(false),
+      delegate_(nullptr),
+      text_input_client_(nullptr) {}
 
 InputMethodBase::~InputMethodBase() {
   FOR_EACH_OBSERVER(InputMethodObserver,
                     observer_list_,
                     OnInputMethodDestroyed(this));
   if (ui::IMEBridge::Get() &&
       ui::IMEBridge::Get()->GetInputContextHandler() == this)
     ui::IMEBridge::Get()->SetInputContextHandler(nullptr);
 }
 
@@ skipping 157 matching lines @@
     if (visible)
       GetTextInputClient()->SetCompositionText(composition_);
     else
       GetTextInputClient()->ClearCompositionText();
   }
   SendFakeProcessKeyEvent(false);
 }
 
 void InputMethodBase::DeleteSurroundingText(int32_t offset, uint32_t length) {}
 
+void InputMethodBase::SendKeyEvent(KeyEvent* event) {
+  sending_key_event_ = true;
+  DispatchKeyEvent(event);
+  sending_key_event_ = false;
+}
+
 }  // namespace ui