Domain Reliability: Add rudimentary WebUI page.

components/domain_reliability/service.cc

 // 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.
 
 #include "components/domain_reliability/service.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/single_thread_task_runner.h"
+#include "base/task_runner_util.h"
 #include "components/domain_reliability/monitor.h"
 #include "net/url_request/url_request_context_getter.h"
 
 namespace domain_reliability {
 
+namespace {
+
+scoped_ptr<base::Value> GetWebUIDataOnNetworkTaskRunner(
+    base::WeakPtr<DomainReliabilityMonitor> monitor) {
+  if (!monitor) {
+    base::DictionaryValue* dict = new base::DictionaryValue();
+    dict->SetString("error", "no_monitor");
+    return scoped_ptr<base::Value>(dict);
+  }
+
+  return monitor->GetWebUIData();
+}
+
+}  // namespace
+
 class DomainReliabilityServiceImpl : public DomainReliabilityService {
  public:
   explicit DomainReliabilityServiceImpl(
       const std::string& upload_reporter_string)
       : upload_reporter_string_(upload_reporter_string) {}
 
   virtual ~DomainReliabilityServiceImpl() {}
 
   // DomainReliabilityService implementation:
 
@@ skipping 15 matching lines @@
     DCHECK(network_task_runner_);
 
     network_task_runner_->PostTaskAndReply(
         FROM_HERE,
         base::Bind(&DomainReliabilityMonitor::ClearBrowsingData,
                    monitor_,
                    clear_mode),
         callback);
   }
 
+  virtual void GetWebUIData(
+      const base::Callback<void(scoped_ptr<base::Value>)>& callback)
+      const OVERRIDE {
+    DCHECK(network_task_runner_);
+
+    PostTaskAndReplyWithResult(
+        network_task_runner_,
+        FROM_HERE,
+        base::Bind(&GetWebUIDataOnNetworkTaskRunner, monitor_),
+        callback);
+  }
+
  private:
   std::string upload_reporter_string_;
   base::WeakPtr<DomainReliabilityMonitor> monitor_;
   scoped_refptr<base::SequencedTaskRunner> network_task_runner_;
 };
 
 // static
 DomainReliabilityService* DomainReliabilityService::Create(
     const std::string& upload_reporter_string) {
   return new DomainReliabilityServiceImpl(upload_reporter_string);
 }
 
 DomainReliabilityService::~DomainReliabilityService() {}
 
 DomainReliabilityService::DomainReliabilityService() {}
 
 }  // namespace domain_reliability