Add enterprise policy to turn off Bluetooth.

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index 9e6c1745d80d750c65cfa8fbc47d39881ce421e7..00bae9f7013304ecb71b7c545b48f7c89544c52c 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -84,6 +84,10 @@ namespace ui {
 class SelectFilePolicy;
 }
 
+namespace url {
+class Origin;
+}
+
 namespace storage {
 class ExternalMountPoints;
 class FileSystemBackend;
@@ -410,6 +414,12 @@ class CONTENT_EXPORT ContentBrowserClient {
   // Allow the embedder to control whether we can use <keygen>.
   virtual bool AllowKeygen(const GURL& url, content::ResourceContext* context);
 
+  // Allow the embedder to control whether we can use Web Bluetooth.
+  // TODO(crbug.com/589228): Replace this with a use of the permission system.
+  virtual bool AllowWebBluetooth(content::BrowserContext* browser_context,
+                                 const url::Origin& requesting_origin,
+                                 const url::Origin& embedding_origin);
+
   // Allow the embedder to override the request context based on the URL for
   // certain operations, like cookie access. Returns nullptr to indicate the
   // regular request context should be used.