bluetooth: Add a WebBluetooth command line flag.

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 25a4fa3bccd99f476f4a94de462133b135463f79..aad43df5fb3416bf53a9b19d1628283cd98218a6 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -931,8 +931,7 @@ void RenderProcessHostImpl::CreateMessageFilters() {
   AddFilter(new NavigatorConnectDispatcherHost(
       storage_partition_impl_->GetNavigatorConnectContext(),
       message_port_message_filter_.get()));
-  if (browser_command_line.HasSwitch(
-          switches::kEnableExperimentalWebPlatformFeatures)) {
+  if (browser_command_line.HasSwitch(switches::kEnableWebBluetooth) {
     AddFilter(new BluetoothDispatcherHost());
   }
 }
@@ -1286,6 +1285,7 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kEnableViewport,
     switches::kEnableViewportMeta,
     switches::kEnableVtune,
+    switches::kEnableWebBluetooth,
     switches::kEnableWebGLDraftExtensions,
     switches::kEnableWebGLImageChromium,
     switches::kExplicitlyAllowedPorts,