Support permission_broker for chrome.hid devices.

extensions/browser/api/extensions_api_client.h

Index: extensions/browser/api/extensions_api_client.h
diff --git a/extensions/browser/api/extensions_api_client.h b/extensions/browser/api/extensions_api_client.h
index b87e2d37742559892e2033cefad9240a2fd653b8..dc45299b49b323ae3250c7c05bbb0b45fd370689 100644
--- a/extensions/browser/api/extensions_api_client.h
+++ b/extensions/browser/api/extensions_api_client.h
@@ -19,6 +19,10 @@ namespace content {
 class BrowserContext;
 }
 
+namespace device {
+class HidService;
+}
+
 namespace extensions {
 
 class SettingsObserver;
@@ -64,6 +68,9 @@ class ExtensionsAPIClient {
       int guest_instance_id,
       const std::string& guest_extension_id);
 
+  // Returns the HidService instance for this embedder.
+  virtual device::HidService* GetHidService();
+
   // NOTE: If this interface gains too many methods (perhaps more than 20) it
   // should be split into one interface per API.
 };