chromeos: Move audio, power, and UI files into subdirs.

This moves more files from chrome/browser/chromeos/ into
subdirectories.

BUG=chromium-os:22896
TEST=did chrome os builds both with and without aura
TBR=sky

Review URL: http://codereview.chromium.org/9125006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@116746 0039d316-1c4b-4281-b951-d872f2087c98
void AudioMixerAlsa::Init() {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  prefs_ = g_browser_process->local_state();
  volume_db_ = prefs_->GetDouble(prefs::kAudioVolume);
  is_muted_ = prefs_->GetInteger(prefs::kAudioMute);

  DCHECK(!thread_.get()) << "Init() called twice";
  thread_.reset(new base::Thread("AudioMixerAlsa"));
  CHECK(thread_->Start());
  thread_->message_loop()->PostTask(
      FROM_HERE, base::Bind(&AudioMixerAlsa::Connect, base::Unretained(this)));
}

void AudioMixerAlsa::Init() {
  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
  prefs_ = g_browser_process->local_state();
  volume_db_ = prefs_->GetDouble(prefs::kAudioVolume);
  is_muted_ = prefs_->GetInteger(prefs::kAudioMute);

  DCHECK(!thread_.get()) << "Init() called twice";
  thread_.reset(new base::Thread("AudioMixerAlsa"));
  CHECK(thread_->Start());
  thread_->message_loop()->PostTask(
      FROM_HERE, base::Bind(&AudioMixerAlsa::Connect, base::Unretained(this)));
}
