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 10 matching lines @@
       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);
+
+  if (!key_events_for_testing_.empty()) {

[Devlin, 2016/06/23 18:43:22]

Why not just std::vector<std::unique_ptr<KeyEvent>>?  Or even
std::vector<KeyEvent>?

[Azure Wei, 2016/06/24 06:38:19]

Done. Updated with ScopedVector.

+    for (auto key : key_events_for_testing_)
+      delete key;
+    key_events_for_testing_.clear();
+  }
 }
 
 void InputMethodBase::SetDelegate(internal::InputMethodDelegate* delegate) {
   delegate_ = delegate;
 }
 
 void InputMethodBase::OnFocus() {
   if (ui::IMEBridge::Get())
     ui::IMEBridge::Get()->SetInputContextHandler(this);
 }
@@ skipping 151 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(new KeyEvent(*event));
+  }
   DispatchKeyEvent(event);
   sending_key_event_ = false;
 }
 
+InputMethod* InputMethodBase::GetInputMethod() {
+  return this;
+}
+
+std::vector<ui::KeyEvent*> InputMethodBase::GetKeyEventsForTesting() {
+  return key_events_for_testing_;
+}
+
 }  // namespace ui