Delete content::ServiceRegistry.

content/public/browser/android/service_registry_android.h

 // Copyright 2016 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 CONTENT_PUBLIC_BROWSER_ANDROID_SERVICE_REGISTRY_ANDROID_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_SERVICE_REGISTRY_ANDROID_H_
 
 #include <jni.h>
 #include <memory>
 
 #include "base/android/scoped_java_ref.h"
 #include "content/common/content_export.h"
 
 namespace shell {
 class InterfaceRegistry;
 class InterfaceProvider;
 }
 
 namespace content {
 
-class ServiceRegistry;
-
 // Android wrapper over ServiceRegistry, allowing the browser services in Java
 // to register with ServiceRegistry.java (and abstracting away the JNI calls).
 class CONTENT_EXPORT ServiceRegistryAndroid {
  public:
   virtual ~ServiceRegistryAndroid() {}
 
   // The |registry| parameter must outlive |ServiceRegistryAndroid|.
   static std::unique_ptr<ServiceRegistryAndroid> Create(
       shell::InterfaceRegistry* interface_registry,
       shell::InterfaceProvider* remote_interfaces);
@@ skipping 15 matching lines @@
       const base::android::JavaParamRef<jstring>& j_name,
       jint handle) = 0;
 
   // Accessor to the Java object.
   virtual const base::android::ScopedJavaGlobalRef<jobject>& GetObj() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_SERVICE_REGISTRY_ANDROID_H_