Hotword Private API: Adds speech training functions.

chrome/browser/extensions/api/hotword_private/hotword_private_api.h

Index: chrome/browser/extensions/api/hotword_private/hotword_private_api.h
diff --git a/chrome/browser/extensions/api/hotword_private/hotword_private_api.h b/chrome/browser/extensions/api/hotword_private/hotword_private_api.h
index 790a88f39daeb19d90da4a0aea12b683a654f89f..c628ab3745b928bc7f3543b29c705964e0325845 100644
--- a/chrome/browser/extensions/api/hotword_private/hotword_private_api.h
+++ b/chrome/browser/extensions/api/hotword_private/hotword_private_api.h
@@ -34,6 +34,10 @@ class HotwordPrivateEventService : public BrowserContextKeyedAPI {
 
   void OnHotwordSessionStopped();
 
+  void OnHotwordTriggered();
+
+  void OnFinalizeSpeakerModel();
+
  private:
   friend class BrowserContextKeyedAPIFactory<HotwordPrivateEventService>;
 
@@ -133,6 +137,45 @@ class HotwordPrivateGetLaunchStateFunction :
   bool RunSync() override;
 };
 
+class HotwordPrivateStartTrainingFunction :
+    public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("hotwordPrivate.startTraining",
+                             HOTWORDPRIVATE_STARTTRAINING)
+
+ protected:
+  ~HotwordPrivateStartTrainingFunction() override {}
+
+  // ExtensionFunction:
+  bool RunSync() override;
+};
+
+class HotwordPrivateFinalizeSpeakerModelFunction :
+    public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("hotwordPrivate.finalizeSpeakerModel",
+                             HOTWORDPRIVATE_FINALIZESPEAKERMODEL)
+
+ protected:
+  ~HotwordPrivateFinalizeSpeakerModelFunction() override {}
+
+  // ExtensionFunction:
+  bool RunSync() override;
+};
+
+class HotwordPrivateStopTrainingFunction :
+    public ChromeSyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("hotwordPrivate.stopTraining",
+                             HOTWORDPRIVATE_STOPTRAINING)
+
+ protected:
+  ~HotwordPrivateStopTrainingFunction() override {}
+
+  // ExtensionFunction:
+  bool RunSync() override;
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_HOTWORD_PRIVATE_HOTWORD_PRIVATE_API_H_