Add a path for content/ to open and control a Bluetooth chooser dialog.

content/public/browser/web_contents_delegate.cc

Index: content/public/browser/web_contents_delegate.cc
diff --git a/content/public/browser/web_contents_delegate.cc b/content/public/browser/web_contents_delegate.cc
index 016097b3ab17b8ea94dac0a1a4a43789d0b306e7..c3f8acd801090c19207fa44d4c3db4e4fdc86cae 100644
--- a/content/public/browser/web_contents_delegate.cc
+++ b/content/public/browser/web_contents_delegate.cc
@@ -7,6 +7,7 @@
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
+#include "content/browser/bluetooth/first_device_bluetooth_chooser.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/security_style_explanations.h"
 #include "content/public/browser/web_contents.h"
@@ -147,6 +148,13 @@ JavaScriptDialogManager* WebContentsDelegate::GetJavaScriptDialogManager(
   return nullptr;
 }
 
+scoped_ptr<BluetoothChooser> WebContentsDelegate::RunBluetoothChooser(
+    WebContents* web_contents,
+    const BluetoothChooser::EventHandler& event_handler,
+    const GURL& origin) {
+  return make_scoped_ptr(new FirstDeviceBluetoothChooser(event_handler));
+}
+
 bool WebContentsDelegate::EmbedsFullscreenWidget() const {
   return false;
 }