Extensions: Add metrics to distinguish between the different kinds of declarative API function call…

extensions/browser/api/declarative/declarative_api.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_BROWSER_API_DECLARATIVE_DECLARATIVE_API_H_
 #define EXTENSIONS_BROWSER_API_DECLARATIVE_DECLARATIVE_API_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "extensions/browser/api/declarative/rules_registry.h"
@@ skipping 10 matching lines @@
 
   // ExtensionFunction:
   bool HasPermission() override;
   bool RunAsync() override;
 
   // Concrete implementation of the RulesFunction that is being called
   // on the thread on which the respective RulesRegistry lives.
   // Returns false in case of errors.
   virtual bool RunAsyncOnCorrectThread() = 0;
 
+  // Records UMA metrics for the kind of declarative API call.
+  virtual void RecordUMA(const std::string& event_name) const = 0;
+
   scoped_refptr<RulesRegistry> rules_registry_;
 };
 
 class EventsEventAddRulesFunction : public RulesFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("events.addRules", EVENTS_ADDRULES)
 
  protected:
   ~EventsEventAddRulesFunction() override {}
 
   // RulesFunction:
   bool RunAsyncOnCorrectThread() override;
+  void RecordUMA(const std::string& event_name) const override;
 };
 
 class EventsEventRemoveRulesFunction : public RulesFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("events.removeRules", EVENTS_REMOVERULES)
 
  protected:
   ~EventsEventRemoveRulesFunction() override {}
 
   // RulesFunction:
   bool RunAsyncOnCorrectThread() override;
+  void RecordUMA(const std::string& event_name) const override;
 };
 
 class EventsEventGetRulesFunction : public RulesFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("events.getRules", EVENTS_GETRULES)
 
  protected:
   ~EventsEventGetRulesFunction() override {}
 
   // RulesFunction:
   bool RunAsyncOnCorrectThread() override;
+  void RecordUMA(const std::string& event_name) const override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_DECLARATIVE_DECLARATIVE_API_H_