Move the Web Bluetooth implementation from child/ to renderer/.

content/child/child_thread_impl.cc

Index: content/child/child_thread_impl.cc
diff --git a/content/child/child_thread_impl.cc b/content/child/child_thread_impl.cc
index fff9fe18bc8aa13acf370e4578dfe0a506aefb7d..d916f4c6074bb18116dc5ec7ea06246b36687283 100644
--- a/content/child/child_thread_impl.cc
+++ b/content/child/child_thread_impl.cc
@@ -31,7 +31,6 @@
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/tracked_objects.h"
 #include "components/tracing/child_trace_message_filter.h"
-#include "content/child/bluetooth/bluetooth_message_filter.h"
 #include "content/child/child_discardable_shared_memory_manager.h"
 #include "content/child/child_gpu_memory_buffer_manager.h"
 #include "content/child/child_histogram_message_filter.h"
@@ -401,8 +400,6 @@ void ChildThreadImpl::Init(const Options& options) {
                                               quota_message_filter_.get()));
   geofencing_message_filter_ =
       new GeofencingMessageFilter(thread_safe_sender_.get());
-  bluetooth_message_filter_ =
-      new BluetoothMessageFilter(thread_safe_sender_.get());
   notification_dispatcher_ =
       new NotificationDispatcher(thread_safe_sender_.get());
   push_dispatcher_ = new PushDispatcher(thread_safe_sender_.get());
@@ -415,7 +412,6 @@ void ChildThreadImpl::Init(const Options& options) {
   channel_->AddFilter(push_dispatcher_->GetFilter());
   channel_->AddFilter(service_worker_message_filter_->GetFilter());
   channel_->AddFilter(geofencing_message_filter_->GetFilter());
-  channel_->AddFilter(bluetooth_message_filter_->GetFilter());
 
   if (!IsInBrowserProcess()) {
     // In single process mode, browser-side tracing will cover the whole