Add InputMethodObserver support into InputMethodBase

ui/base/ime/input_method_linux_x11.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 "ui/base/ime/input_method_linux_x11.h"
 
 #include "ui/base/ime/linux/linux_input_method_context_factory.h"
 #include "ui/base/ime/text_input_client.h"
 #include "ui/events/event.h"
 #include "ui/events/event_utils.h"
@@ skipping 92 matching lines @@
 void InputMethodLinuxX11::OnTextInputTypeChanged(
     const TextInputClient* client) {
   if (IsTextInputClientFocused(client)) {
     input_method_context_->Reset();
     // TODO(yoichio): Support inputmode HTML attribute.
     input_method_context_->OnTextInputTypeChanged(client->GetTextInputType());
   }
   InputMethodBase::OnTextInputTypeChanged(client);
 }
 
-void InputMethodLinuxX11::OnCaretBoundsChanged(
-    const TextInputClient* client) {
-  if (!IsTextInputClientFocused(client))
-    return;
-
-  input_method_context_->OnCaretBoundsChanged(
-      GetTextInputClient()->GetCaretBounds());
+void InputMethodLinuxX11::OnCaretBoundsChanged(const TextInputClient* client) {
+  if (IsTextInputClientFocused(client)) {
+    input_method_context_->OnCaretBoundsChanged(
+        GetTextInputClient()->GetCaretBounds());
+  }
+  InputMethodBase::OnCaretBoundsChanged(client);
 }
 
 void InputMethodLinuxX11::CancelComposition(const TextInputClient* client) {
   if (!IsTextInputClientFocused(client))
     return;
 
   input_method_context_->Reset();
   input_method_context_->OnTextInputTypeChanged(client->GetTextInputType());
 }
 
 void InputMethodLinuxX11::OnInputLocaleChanged() {
+  InputMethodBase::OnInputLocaleChanged();
 }
 
 std::string InputMethodLinuxX11::GetInputLocale() {
   return "";
 }
 
 base::i18n::TextDirection InputMethodLinuxX11::GetInputTextDirection() {
   return input_method_context_->GetInputTextDirection();
 }
 
@@ skipping 36 matching lines @@
     TextInputClient* focused_before,
     TextInputClient* focused) {
   input_method_context_->Reset();
   input_method_context_->OnTextInputTypeChanged(
       focused ? focused->GetTextInputType() : TEXT_INPUT_TYPE_NONE);
 
   InputMethodBase::OnDidChangeFocusedClient(focused_before, focused);
 }
 
 }  // namespace ui