Fix Volume slider is captured in screenshot done in touchview mode

chromeos/dbus/fake_cras_audio_client.h

Index: chromeos/dbus/fake_cras_audio_client.h
diff --git a/chromeos/dbus/fake_cras_audio_client.h b/chromeos/dbus/fake_cras_audio_client.h
index 443085363c43cd1947e8608db35b17b3bae9a460..d5b90495e67820474576f72404cfc111ab9ae544 100644
--- a/chromeos/dbus/fake_cras_audio_client.h
+++ b/chromeos/dbus/fake_cras_audio_client.h
@@ -63,6 +63,9 @@ class CHROMEOS_EXPORT FakeCrasAudioClient : public CrasAudioClient {
   // Generates fake signal for OutputNodeVolumeChanged.
   void NotifyOutputNodeVolumeChangedForTesting(uint64_t node_id, int volume);
 
+  // Generates fake signal for AudioClientRestarted.
+  void NotifyAudioClientRestartedForTesting(const AudioNodeList& new_nodes);

[Daniel Erat, 2016/08/04 00:58:19]

minor nit: since the node list isn't part of the notification, it might be
better to just make this method take no params and have tests call the other
method to set the nodes first.

[Qiang(Joe) Xu, 2016/08/04 04:02:15]

Done.

+
   const AudioNodeList& node_list() const { return node_list_; }
   const uint64_t& active_input_node_id() const { return active_input_node_id_; }
   const uint64_t& active_output_node_id() const {