Redesigns the text input focus handling.

ui/views/ime/null_input_method.cc

Index: ui/views/ime/null_input_method.cc
diff --git a/ui/views/ime/null_input_method.cc b/ui/views/ime/null_input_method.cc
new file mode 100644
index 0000000000000000000000000000000000000000..64719b75e5f563478c87b2dafb220b9152c66ee9
--- /dev/null
+++ b/ui/views/ime/null_input_method.cc
@@ -0,0 +1,61 @@
+// 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 "ui/views/ime/null_input_method.h"
+
+namespace views {
+
+NullInputMethod::NullInputMethod() {}
+
+void NullInputMethod::SetDelegate(
+    internal::InputMethodDelegate* /* delegate */) {}
+
+void NullInputMethod::Init(Widget* /* widget */) {}
+
+void NullInputMethod::OnFocus() {}
+
+void NullInputMethod::OnBlur() {}
+
+bool NullInputMethod::OnUntranslatedIMEMessage(
+    const base::NativeEvent& /* event */, NativeEventResult* /* result */) {

[msw, 2014/03/11 00:58:50]

nit: one parameter per line.

[Yuki, 2014/03/11 15:27:37]

Done.

+  return false;
+}
+
+void NullInputMethod::DispatchKeyEvent(const ui::KeyEvent& /* key */) {}
+
+void NullInputMethod::OnTextInputTypeChanged(View* /* view */) {}
+
+void NullInputMethod::OnCaretBoundsChanged(View* /* view */) {}
+
+void NullInputMethod::CancelComposition(View* /* view */) {}
+
+void NullInputMethod::OnInputLocaleChanged() {}
+
+std::string NullInputMethod::GetInputLocale() {
+  return "";

[msw, 2014/03/11 00:58:50]

nit: return std::string();

[Yuki, 2014/03/11 15:27:37]

Done.

+}
+
+bool NullInputMethod::IsActive() {
+  return false;
+}
+
+ui::TextInputClient* NullInputMethod::GetTextInputClient() const {
+  return NULL;
+}
+
+ui::TextInputType NullInputMethod::GetTextInputType() const {
+  return ui::TEXT_INPUT_TYPE_NONE;
+}
+
+bool NullInputMethod::IsCandidatePopupOpen() const {
+  return false;
+}
+
+void NullInputMethod::ShowImeIfNeeded() {}
+
+bool NullInputMethod::IsMock() const {
+  return false;
+}
+
+}  // namespace views