Domain Reliability: Add rudimentary WebUI page.

components/domain_reliability/service.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 COMPONENTS_DOMAIN_RELIABILITY_SERVICE_H_
 #define COMPONENTS_DOMAIN_RELIABILITY_SERVICE_H_
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/sequenced_task_runner.h"
 #include "components/domain_reliability/clear_mode.h"
 #include "components/domain_reliability/domain_reliability_export.h"
 #include "components/keyed_service/core/keyed_service.h"
 
+namespace base {
+class Value;
+}  // namespace base
+
 namespace net {
 class URLRequestContextGetter;
-};
+}  // namespace net
 
 namespace domain_reliability {
 
 class DomainReliabilityMonitor;
 
 // DomainReliabilityService is a KeyedService that manages a Monitor that lives
 // on another thread (as provided by the URLRequestContextGetter's task runner)
 // and proxies (selected) method calls to it. Destruction of the Monitor (on
 // that thread) is the responsibility of the caller.
 class DOMAIN_RELIABILITY_EXPORT DomainReliabilityService
@@ skipping 12 matching lines @@
   // called. The caller is responsible for destroying the Monitor on the given
   // task runner when it is no longer needed.
   virtual scoped_ptr<DomainReliabilityMonitor> CreateMonitor(
       scoped_refptr<base::SequencedTaskRunner> network_task_runner) = 0;
 
   // Clears browsing data on the associated Monitor. |Init()| must have been
   // called first.
   virtual void ClearBrowsingData(DomainReliabilityClearMode clear_mode,
                                  const base::Closure& callback) = 0;
 
+  virtual void GetWebUIData(
+      const base::Callback<void(scoped_ptr<base::Value>)>& callback)
+      const = 0;
+
  protected:
   DomainReliabilityService();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(DomainReliabilityService);
 };
 
 }  // namespace domain_reliability
 
 #endif  // COMPONENTS_DOMAIN_RELIABILITY_SERVICE_H_