Remove CommandLine dependency from the Linux's AudioCapturer.

remoting/host/audio_capturer_linux.cc

Index: remoting/host/audio_capturer_linux.cc
diff --git a/remoting/host/audio_capturer_linux.cc b/remoting/host/audio_capturer_linux.cc
index 5af0d4cf76b9685270258ac193596b6073e21ee2..73188dc15142dfdef20a650fcb612c3e57b22257 100644
--- a/remoting/host/audio_capturer_linux.cc
+++ b/remoting/host/audio_capturer_linux.cc
@@ -9,19 +9,17 @@
 #include <sys/types.h>
 #include <unistd.h>
 
-#include "base/command_line.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "remoting/proto/audio.pb.h"
+#include "remoting/host/chromoting_host_context.h"
 
 namespace remoting {
 
 namespace {
 
-const char kAudioPipeOptionName[] = "audio-pipe-name";
-
 // PulseAudio's module-pipe-sink must be configured to use the following
 // parameters for the sink we read from.
 const AudioPacket_SamplingRate kSamplingRate = AudioPacket::SAMPLING_RATE_44100;
@@ -175,14 +173,14 @@ void AudioCapturerLinux::WaitForPipeReadable() {
       &file_descriptor_watcher_, this);
 }
 
-bool AudioCapturer::IsSupported() {
-  CommandLine* cl = CommandLine::ForCurrentProcess();
-  return !cl->GetSwitchValuePath(kAudioPipeOptionName).empty();
+bool AudioCapturer::IsSupported(
+    ChromotingHostContext* context) {
+  return !context->audio_capturer_pipe().empty();
 }
 
-scoped_ptr<AudioCapturer> AudioCapturer::Create() {
-  CommandLine* cl = CommandLine::ForCurrentProcess();
-  FilePath path = cl->GetSwitchValuePath(kAudioPipeOptionName);
+scoped_ptr<AudioCapturer> AudioCapturer::Create(
+    ChromotingHostContext* context) {
+  FilePath path = context->audio_capturer_pipe();
   if (path.empty())
     return scoped_ptr<AudioCapturer>();
   return scoped_ptr<AudioCapturer>(new AudioCapturerLinux(path));