Adding key press detection in the browser process.

content/browser/renderer_host/media/audio_input_renderer_host.cc

Index: content/browser/renderer_host/media/audio_input_renderer_host.cc
diff --git a/content/browser/renderer_host/media/audio_input_renderer_host.cc b/content/browser/renderer_host/media/audio_input_renderer_host.cc
index 37d93ef8ca2f8c4afe849febd24beab6f3e3796b..ba2fe8df78f38e1b4a85b9adbffd73edc993f4a1 100644
--- a/content/browser/renderer_host/media/audio_input_renderer_host.cc
+++ b/content/browser/renderer_host/media/audio_input_renderer_host.cc
@@ -14,6 +14,7 @@
 #include "content/browser/renderer_host/media/web_contents_audio_input_stream.h"
 #include "content/browser/renderer_host/media/web_contents_capture_util.h"
 #include "media/audio/audio_manager_base.h"
+#include "media/audio/key_press_monitor.h"
 
 #if defined(USE_CRAS)
 #include "media/audio/cras/audio_manager_cras.h"
@@ -55,11 +56,12 @@ AudioInputRendererHost::AudioEntry::~AudioEntry() {}
 AudioInputRendererHost::AudioInputRendererHost(
     media::AudioManager* audio_manager,
     MediaStreamManager* media_stream_manager,
-    AudioMirroringManager* audio_mirroring_manager)
+    AudioMirroringManager* audio_mirroring_manager,
+    media::KeyPressMonitor* key_press_monitor)
     : audio_manager_(audio_manager),
       media_stream_manager_(media_stream_manager),
-      audio_mirroring_manager_(audio_mirroring_manager) {
-}
+      audio_mirroring_manager_(audio_mirroring_manager),
+      key_press_monitor_(key_press_monitor) {}
 
 AudioInputRendererHost::~AudioInputRendererHost() {
   DCHECK(audio_entries_.empty());
@@ -287,20 +289,23 @@ void AudioInputRendererHost::OnCreateStream(
     entry->controller = media::AudioInputController::CreateForStream(
         audio_manager_->GetMessageLoop(),
         this,
-        WebContentsAudioInputStream::Create(
-            device_id, audio_params, audio_manager_->GetWorkerLoop(),
-            audio_mirroring_manager_),
-        entry->writer.get());
+        WebContentsAudioInputStream::Create(device_id,
+                                            audio_params,
+                                            audio_manager_->GetWorkerLoop(),
+                                            audio_mirroring_manager_),
+        entry->writer.get(),
+        key_press_monitor_);
   } else {
     // TODO(henrika): replace CreateLowLatency() with Create() as soon
     // as satish has ensured that Speech Input also uses the default low-
     // latency path. See crbug.com/112472 for details.
-    entry->controller = media::AudioInputController::CreateLowLatency(
-        audio_manager_,
-        this,
-        audio_params,
-        device_id,
-        entry->writer.get());
+    entry->controller =
+        media::AudioInputController::CreateLowLatency(audio_manager_,
+                                                      this,
+                                                      audio_params,
+                                                      device_id,
+                                                      entry->writer.get(),
+                                                      key_press_monitor_);
   }
 
   if (!entry->controller.get()) {