Implement RenderWidgetHostViewBase::ImeCancelComposition for all Views (Aura Only)

content/browser/renderer_host/text_input_manager.cc

 // Copyright 2016 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 "content/browser/renderer_host/text_input_manager.h"
 
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 
 namespace content {
@@ skipping 60 matching lines @@
     active_view_ = view;
 
   // If the state for |active_view_| is none, then we no longer have an
   // |active_view_|.
   if (active_view_ == view && text_input_state.type == ui::TEXT_INPUT_TYPE_NONE)
     active_view_ = nullptr;
 
   NotifyObserversAboutInputStateUpdate(view, changed);
 }
 
+void TextInputManager::ImeCancelComposition(RenderWidgetHostViewBase* view) {
+  DCHECK(IsRegistered(view));
+  FOR_EACH_OBSERVER(Observer, observer_list_,
+                    OnImeCancelComposition(this, view));
+}
+
 void TextInputManager::Register(RenderWidgetHostViewBase* view) {
   DCHECK(!IsRegistered(view));
 
   text_input_state_map_[view] = TextInputState();
 }
 
 void TextInputManager::Unregister(RenderWidgetHostViewBase* view) {
   DCHECK(IsRegistered(view));
 
   text_input_state_map_.erase(view);
@@ skipping 18 matching lines @@
 
 void TextInputManager::NotifyObserversAboutInputStateUpdate(
     RenderWidgetHostViewBase* updated_view,
     bool did_update_state) {
   FOR_EACH_OBSERVER(
       Observer, observer_list_,
       OnUpdateTextInputStateCalled(this, updated_view, did_update_state));
 }
 
 }  // namespace content