Create MetricsPrivateDelegate for metricsPrivate behavior

extensions/browser/api/extensions_api_client.h

 // Copyright 2014 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_EXTENSIONS_API_CLIENT_H_
 #define EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 18 matching lines @@
 }  // namespace guest_view
 
 namespace extensions {
 
 class AppViewGuestDelegate;
 class ContentRulesRegistry;
 class DevicePermissionsPrompt;
 class ExtensionOptionsGuest;
 class ExtensionOptionsGuestDelegate;
 class ManagementAPIDelegate;
+class MetricsPrivateDelegate;
 class MimeHandlerViewGuest;
 class MimeHandlerViewGuestDelegate;
 class RulesCacheDelegate;
 class SettingsObserver;
 class ValueStoreCache;
 class ValueStoreFactory;
 class VirtualKeyboardDelegate;
 class WebRequestEventRouterDelegate;
 class WebViewGuest;
 class WebViewGuestDelegate;
@@ skipping 71 matching lines @@
   virtual std::unique_ptr<DevicePermissionsPrompt>
   CreateDevicePermissionsPrompt(content::WebContents* web_contents) const;
 
   // Returns a delegate for some of VirtualKeyboardAPI's behavior.
   virtual std::unique_ptr<VirtualKeyboardDelegate>
   CreateVirtualKeyboardDelegate() const;
 
   // Creates a delegate for handling the management extension api.
   virtual ManagementAPIDelegate* CreateManagementAPIDelegate() const;
 
+  // Creates a delegate for MetricsPrivateAPI behavior dependent on the
+  // embedder. TODO(michaelpg): Consolidate with embedder-dependent interfaces
+  // in //components/metrics as app_shell support for metrics is completed.
+  virtual std::unique_ptr<MetricsPrivateDelegate> CreateMetricsPrivateDelegate()
+      const;
+
   // NOTE: If this interface gains too many methods (perhaps more than 20) it
   // should be split into one interface per API.
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_EXTENSIONS_API_CLIENT_H_