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

content/renderer/render_thread_impl.cc

Index: content/renderer/render_thread_impl.cc
diff --git a/content/renderer/render_thread_impl.cc b/content/renderer/render_thread_impl.cc
index 49fbf589abe00fd20e127c6565a8632d81f7cf21..88078e8a81921049afdc8b789a5335eb08389122 100644
--- a/content/renderer/render_thread_impl.cc
+++ b/content/renderer/render_thread_impl.cc
@@ -79,6 +79,7 @@
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "content/public/renderer/render_view_visitor.h"
+#include "content/renderer/bluetooth/bluetooth_message_filter.h"
 #include "content/renderer/browser_plugin/browser_plugin_manager.h"
 #include "content/renderer/cache_storage/cache_storage_dispatcher.h"
 #include "content/renderer/cache_storage/cache_storage_message_filter.h"
@@ -727,6 +728,9 @@ void RenderThreadImpl::Init() {
   midi_message_filter_ = new MidiMessageFilter(GetIOMessageLoopProxy());
   AddFilter(midi_message_filter_.get());
 
+  bluetooth_message_filter_ = new BluetoothMessageFilter(thread_safe_sender());
+  AddFilter(bluetooth_message_filter_->GetFilter());
+
   AddFilter((new IndexedDBMessageFilter(thread_safe_sender()))->GetFilter());
 
   AddFilter((new CacheStorageMessageFilter(thread_safe_sender()))->GetFilter());