bluetooth: Impl uses new WebBluetoothDevice in content/browser.

content/child/child_thread.h

Index: content/child/child_thread.h
diff --git a/content/child/child_thread.h b/content/child/child_thread.h
index 969194e8a3ffb455936808fe231e465778ba7dd9..ca9989d195c41bdbb572e5dd577395a4f1fadcde 100644
--- a/content/child/child_thread.h
+++ b/content/child/child_thread.h
@@ -36,6 +36,7 @@ class WebFrame;
 }  // namespace blink
 
 namespace content {
+class BluetoothMessageFilter;
 class ChildDiscardableSharedMemoryManager;
 class ChildGpuMemoryBufferManager;
 class ChildHistogramMessageFilter;
@@ -265,6 +266,8 @@ class CONTENT_EXPORT ChildThread : public IPC::Listener, public IPC::Sender {
 
   scoped_refptr<GeofencingMessageFilter> geofencing_message_filter_;
 
+  scoped_refptr<BluetoothMessageFilter> bluetooth_message_filter_;
+
   bool in_browser_process_;
 
   base::WeakPtrFactory<ChildThread> channel_connected_factory_;