Adding key press detection in the browser process.

content/browser/browser_main_loop.h

Index: content/browser/browser_main_loop.h
diff --git a/content/browser/browser_main_loop.h b/content/browser/browser_main_loop.h
index 7b2879f70e469d2f4db7a31e60dd6f744a62cceb..83dbafd201a6133e2b2d24cbca1d79146c2c77ca 100644
--- a/content/browser/browser_main_loop.h
+++ b/content/browser/browser_main_loop.h
@@ -26,6 +26,7 @@ class TraceMemoryController;
 namespace media {
 class AudioManager;
 class MIDIManager;
+class UserInputMonitor;
 }  // namespace media
 
 namespace net {
@@ -86,6 +87,9 @@ class CONTENT_EXPORT BrowserMainLoop {
   MediaStreamManager* media_stream_manager() const {
     return media_stream_manager_.get();
   }
+  media::UserInputMonitor* user_input_monitor() const {
+    return user_input_monitor_.get();
+  }
   media::MIDIManager* midi_manager() const { return midi_manager_.get(); }
   base::Thread* indexed_db_thread() const { return indexed_db_thread_.get(); }
 
@@ -122,6 +126,8 @@ class CONTENT_EXPORT BrowserMainLoop {
   scoped_ptr<base::PowerMonitor> power_monitor_;
   scoped_ptr<base::HighResolutionTimerManager> hi_res_timer_manager_;
   scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
+  // user_input_monitor_ has to outlive audio_manager_, so declared first.
+  scoped_ptr<media::UserInputMonitor> user_input_monitor_;
   scoped_ptr<media::AudioManager> audio_manager_;
   scoped_ptr<media::MIDIManager> midi_manager_;
   scoped_ptr<AudioMirroringManager> audio_mirroring_manager_;