Update content/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/test/webrtc_audio_device_test.cc

Index: content/test/webrtc_audio_device_test.cc
diff --git a/content/test/webrtc_audio_device_test.cc b/content/test/webrtc_audio_device_test.cc
index 7bd5b30bbe1c1a892d82dfeb1bfd34ed353f292d..f6c5dd8b05dccd093fc07be429367b1a34ef7006 100644
--- a/content/test/webrtc_audio_device_test.cc
+++ b/content/test/webrtc_audio_device_test.cc
@@ -285,13 +285,13 @@ bool WebRTCAudioDeviceTest::OnMessageReceived(const IPC::Message& message) {
       return true;
   }
 
-  if (audio_render_host_) {
+  if (audio_render_host_.get()) {
     bool message_was_ok = false;
     if (audio_render_host_->OnMessageReceived(message, &message_was_ok))
       return true;
   }
 
-  if (audio_input_renderer_host_) {
+  if (audio_input_renderer_host_.get()) {
     bool message_was_ok = false;
     if (audio_input_renderer_host_->OnMessageReceived(message, &message_was_ok))
       return true;