Route IME-related IPCs to the active/focused RenderWidget (Mac)

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 "base/strings/string16.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "content/common/view_messages.h"
@@ skipping 248 matching lines @@
 }
 
 void TextInputManager::AddObserver(Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void TextInputManager::RemoveObserver(Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }
 
+bool TextInputManager::HasObserver(Observer* observer) const {
+  return observer_list_.HasObserver(observer);
+}
+
 size_t TextInputManager::GetRegisteredViewsCountForTesting() {
   return text_input_state_map_.size();
 }
 
 ui::TextInputType TextInputManager::GetTextInputTypeForViewForTesting(
     RenderWidgetHostViewBase* view) {
   DCHECK(IsRegistered(view));
   return text_input_state_map_[view].type;
 }
 
@@ skipping 19 matching lines @@
 
 TextInputManager::TextSelection::TextSelection()
     : offset(0), range(gfx::Range::InvalidRange()), text(base::string16()) {}
 
 TextInputManager::TextSelection::TextSelection(const TextSelection& other) =
     default;
 
 TextInputManager::TextSelection::~TextSelection() {}
 
 }  // namespace content