Convert some NetError[Tab]Helper messages to mojom

chrome/browser/net/net_error_tab_helper.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 CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_
 #define CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/net/dns_probe_service.h"
 #include "chrome/common/features.h"
+#include "chrome/common/network_diagnostics.mojom.h"
 #include "components/error_page/common/net_error_info.h"
 #include "components/prefs/pref_member.h"
+#include "content/public/browser/remote_frame_interface.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
+namespace content {
+class WebContentsInterfaceRegistry;
+}
+
 namespace chrome_browser_net {
 
 // A TabHelper that monitors loads for certain types of network errors and
 // does interesting things with them.  Currently, starts DNS probes using the
 // DnsProbeService whenever a page fails to load with a DNS-related error.
 class NetErrorTabHelper
     : public content::WebContentsObserver,
-      public content::WebContentsUserData<NetErrorTabHelper> {
+      public content::WebContentsUserData<NetErrorTabHelper>,
+      public mojom::NetworkDiagnostics {
  public:
   enum TestingState {
     TESTING_DEFAULT,
     TESTING_FORCE_DISABLED,
     TESTING_FORCE_ENABLED
   };
 
   typedef base::Callback<void(error_page::DnsProbeStatus)>
       DnsProbeStatusSnoopCallback;
 
@@ skipping 29 matching lines @@
 
   void DidFailProvisionalLoad(content::RenderFrameHost* render_frame_host,
                               const GURL& validated_url,
                               int error_code,
                               const base::string16& error_description,
                               bool was_ignored_by_handler) override;
 
   bool OnMessageReceived(const IPC::Message& message,
                          content::RenderFrameHost* render_frame_host) override;
 
+  content::WebContentsInterfaceRegistry* interfaces_for_testing() {
+    return interfaces_.get();
+  }
 
  protected:
   // |contents| is the WebContents of the tab this NetErrorTabHelper is
   // attached to.
   explicit NetErrorTabHelper(content::WebContents* contents);
   virtual void StartDnsProbe();
   virtual void SendInfo();
   void OnDnsProbeFinished(error_page::DnsProbeStatus result);
 
   error_page::DnsProbeStatus dns_probe_status() const {
     return dns_probe_status_;
   }
 
  private:
   friend class content::WebContentsUserData<NetErrorTabHelper>;
 
   void OnMainFrameDnsError();
 
   void InitializePref(content::WebContents* contents);
   bool ProbesAllowed() const;
 
-  // Sanitizes |url| and shows a dialog for it.
-  void RunNetworkDiagnostics(const GURL& url);
+  // mojom::NetworkDiagnostics:
+  void RunNetworkDiagnostics(const GURL& url) override;
 
   // Shows the diagnostics dialog after its been sanitized, virtual for
   // testing.
   virtual void RunNetworkDiagnosticsHelper(const std::string& sanitized_url);
 
   // Relates to offline pages handling.
 #if BUILDFLAG(ANDROID_JAVA_UI)
   void UpdateHasOfflinePages(content::RenderFrameHost* render_frame_host);
   void SetHasOfflinePages(int frame_tree_node_id, bool has_offline_pages);
   void ShowOfflinePages();
   bool IsFromErrorPage() const;
 #endif  // BUILDFLAG(ANDROID_JAVA_UI)
 
+  std::unique_ptr<content::WebContentsInterfaceRegistry> interfaces_;
+  content::RemoteFrameInterface<mojom::NetworkDiagnosticsClient>
+      remote_network_diagnostics_client_;
+
   // True if the last provisional load that started was for an error page.
   bool is_error_page_;
 
   // True if the helper has seen a main frame page load fail with a DNS error,
   // but has not yet seen a new page commit successfully afterwards.
   bool dns_error_active_;
 
   // True if the helper has seen an error page commit while |dns_error_active_|
   // is true.  (This should never be true if |dns_error_active_| is false.)
   bool dns_error_page_committed_;
@@ skipping 11 matching lines @@
   BooleanPrefMember resolve_errors_with_web_service_;
 
   base::WeakPtrFactory<NetErrorTabHelper> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetErrorTabHelper);
 };
 
 }  // namespace chrome_browser_net
 
 #endif  // CHROME_BROWSER_NET_NET_ERROR_TAB_HELPER_H_