Replace FOR_EACH_OBSERVER in chromeos/ with range-based for

chromeos/dbus/fake_cras_audio_client.cc

 // Copyright (c) 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 "chromeos/dbus/fake_cras_audio_client.h"
 
 namespace chromeos {
 
 FakeCrasAudioClient::FakeCrasAudioClient()
     : active_input_node_id_(0),
@@ skipping 95 matching lines @@
 }
 
 void FakeCrasAudioClient::SetOutputNodeVolume(uint64_t node_id,
                                               int32_t volume) {
   if (!notify_volume_change_with_delay_)
     NotifyOutputNodeVolumeChangedForTesting(node_id, volume);
 }
 
 void FakeCrasAudioClient::SetOutputUserMute(bool mute_on) {
   volume_state_.output_user_mute = mute_on;
-  FOR_EACH_OBSERVER(Observer, observers_,
-                    OutputMuteChanged(volume_state_.output_user_mute));
+  for (auto& observer : observers_)
+    observer.OutputMuteChanged(volume_state_.output_user_mute);
 }
 
 void FakeCrasAudioClient::SetInputNodeGain(uint64_t node_id,
                                            int32_t input_gain) {}
 
 void FakeCrasAudioClient::SetInputMute(bool mute_on) {
   volume_state_.input_mute = mute_on;
-  FOR_EACH_OBSERVER(Observer, observers_,
-                    InputMuteChanged(volume_state_.input_mute));
+  for (auto& observer : observers_)
+    observer.InputMuteChanged(volume_state_.input_mute);
 }
 
 void FakeCrasAudioClient::SetActiveOutputNode(uint64_t node_id) {
   if (active_output_node_id_ == node_id)
     return;
 
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == active_output_node_id_)
       node_list_[i].active = false;
     else if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
   active_output_node_id_ = node_id;
-  FOR_EACH_OBSERVER(Observer, observers_, ActiveOutputNodeChanged(node_id));
+  for (auto& observer : observers_)
+    observer.ActiveOutputNodeChanged(node_id);
 }
 
 void FakeCrasAudioClient::SetActiveInputNode(uint64_t node_id) {
   if (active_input_node_id_ == node_id)
     return;
 
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == active_input_node_id_)
       node_list_[i].active = false;
     else if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
   active_input_node_id_ = node_id;
-  FOR_EACH_OBSERVER(Observer, observers_, ActiveInputNodeChanged(node_id));
+  for (auto& observer : observers_)
+    observer.ActiveInputNodeChanged(node_id);
 }
 
 void FakeCrasAudioClient::AddActiveInputNode(uint64_t node_id) {
   for (size_t i = 0; i < node_list_.size(); ++i) {
     if (node_list_[i].id == node_id)
       node_list_[i].active = true;
   }
 }
 
 void FakeCrasAudioClient::RemoveActiveInputNode(uint64_t node_id) {
@@ skipping 26 matching lines @@
       node_list_[i].active = false;
   }
 }
 
 void FakeCrasAudioClient::InsertAudioNodeToList(const AudioNode& audio_node) {
   auto iter = FindNode(audio_node.id);
   if (iter != node_list_.end())
     (*iter) = audio_node;
   else
     node_list_.push_back(audio_node);
-  FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
+  for (auto& observer : observers_)
+    observer.NodesChanged();
 }
 
 void FakeCrasAudioClient::RemoveAudioNodeFromList(const uint64_t& node_id) {
   auto iter = FindNode(node_id);
   if (iter != node_list_.end()) {
     node_list_.erase(iter);
-    FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
+    for (auto& observer : observers_)
+      observer.NodesChanged();
   }
 }
 
 void FakeCrasAudioClient::SetAudioNodesForTesting(
     const AudioNodeList& audio_nodes) {
   node_list_ = audio_nodes;
 }
 
 void FakeCrasAudioClient::SetAudioNodesAndNotifyObserversForTesting(
     const AudioNodeList& new_nodes) {
   SetAudioNodesForTesting(new_nodes);
-  FOR_EACH_OBSERVER(Observer, observers_, NodesChanged());
+  for (auto& observer : observers_)
+    observer.NodesChanged();
 }
 
 void FakeCrasAudioClient::NotifyOutputNodeVolumeChangedForTesting(
     uint64_t node_id,
     int volume) {
-  FOR_EACH_OBSERVER(Observer, observers_,
-                    OutputNodeVolumeChanged(node_id, volume));
+  for (auto& observer : observers_)
+    observer.OutputNodeVolumeChanged(node_id, volume);
 }
 
 AudioNodeList::iterator FakeCrasAudioClient::FindNode(uint64_t node_id) {
   return std::find_if(
       node_list_.begin(), node_list_.end(),
       [node_id](const AudioNode& node) { return node_id == node.id; });
 }
 
 }  // namespace chromeos