Convert some NetError[Tab]Helper messages to mojom

chrome/renderer/net/net_error_helper.h

 // Copyright (c) 2013 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_RENDERER_NET_NET_ERROR_HELPER_H_
 #define CHROME_RENDERER_NET_NET_ERROR_HELPER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
+#include "chrome/common/network_diagnostics.mojom.h"
 #include "chrome/renderer/net/net_error_page_controller.h"
 #include "components/error_page/common/net_error_info.h"
 #include "components/error_page/renderer/net_error_helper_core.h"
 #include "content/public/renderer/render_frame_observer.h"
 #include "content/public/renderer/render_frame_observer_tracker.h"
 #include "content/public/renderer/render_thread_observer.h"
+#include "mojo/public/cpp/bindings/associated_binding.h"
 
 class GURL;
 
 namespace blink {
 class WebFrame;
 class WebURLResponse;
 struct WebURLError;
 }
 
 namespace content {
 class ResourceFetcher;
 }
 
 namespace error_page {
 struct ErrorPageParams;
 }
 
 // Listens for NetErrorInfo messages from the NetErrorTabHelper on the
 // browser side and updates the error page with more details (currently, just
 // DNS probe results) if/when available.
 // TODO(crbug.com/578770): Should this class be moved into the error_page
 // component?
 class NetErrorHelper
     : public content::RenderFrameObserver,
       public content::RenderFrameObserverTracker<NetErrorHelper>,
       public content::RenderThreadObserver,
       public error_page::NetErrorHelperCore::Delegate,
-      public NetErrorPageController::Delegate {
+      public NetErrorPageController::Delegate,
+      public mojom::NetworkDiagnosticsClient {
  public:
   explicit NetErrorHelper(content::RenderFrame* render_frame);
   ~NetErrorHelper() override;
 
   // NetErrorPageController::Delegate implementation
   void ButtonPressed(error_page::NetErrorHelperCore::Button button) override;
   void TrackClick(int tracking_id) override;
 
   // RenderFrameObserver implementation.
   void DidStartProvisionalLoad() override;
@@ skipping 17 matching lines @@
   void GetErrorHTML(const blink::WebURLError& error,
                     bool is_failed_post,
                     bool is_ignoring_cache,
                     std::string* error_html);
 
   // Returns whether a load for |url| in the |frame| the NetErrorHelper is
   // attached to should have its error page suppressed.
   bool ShouldSuppressErrorPage(const GURL& url);
 
  private:
+  mojom::NetworkDiagnostics* GetRemoteNetworkDiagnostics();
+
   // NetErrorHelperCore::Delegate implementation:
   void GenerateLocalizedErrorPage(
       const blink::WebURLError& error,
       bool is_failed_post,
       bool can_use_local_diagnostics_service,
       bool has_offline_pages,
       std::unique_ptr<error_page::ErrorPageParams> params,
       bool* reload_button_shown,
       bool* show_saved_copy_button_shown,
       bool* show_cached_copy_button_shown,
@@ skipping 10 matching lines @@
       const std::string& navigation_correction_request_body) override;
   void CancelFetchNavigationCorrections() override;
   void SendTrackingRequest(const GURL& tracking_url,
                            const std::string& tracking_request_body) override;
   void ReloadPage(bool bypass_cache) override;
   void LoadPageFromCache(const GURL& page_url) override;
   void DiagnoseError(const GURL& page_url) override;
   void ShowOfflinePages() override;
 
   void OnNetErrorInfo(int status);
-  void OnSetCanShowNetworkDiagnosticsDialog(
-      bool can_use_local_diagnostics_service);
   void OnSetNavigationCorrectionInfo(const GURL& navigation_correction_url,
                                      const std::string& language,
                                      const std::string& country_code,
                                      const std::string& api_key,
                                      const GURL& search_url);
 
   void OnNavigationCorrectionsFetched(const blink::WebURLResponse& response,
                                       const std::string& data);
 
   void OnTrackingRequestComplete(const blink::WebURLResponse& response,
                                  const std::string& data);
 
+  void OnNetworkDiagnosticsClientRequest(
+      mojom::NetworkDiagnosticsClientAssociatedRequest request);
+
+  // mojom::NetworkDiagnosticsClient:
+  void SetCanShowNetworkDiagnosticsDialog(bool can_show) override;
+
 #if defined(OS_ANDROID)
   // Called to set whether offline pages exists, which will be used to decide
   // if offline related button will be provided in the error page.
   void OnSetHasOfflinePages(bool has_offline_pages);
 #endif
 
   std::unique_ptr<content::ResourceFetcher> correction_fetcher_;
   std::unique_ptr<content::ResourceFetcher> tracking_fetcher_;
 
   std::unique_ptr<error_page::NetErrorHelperCore> core_;
 
+  mojo::AssociatedBinding<mojom::NetworkDiagnosticsClient>
+      network_diagnostics_client_binding_;
+  mojom::NetworkDiagnosticsAssociatedPtr remote_network_diagnostics_;
+
   // Weak factory for vending a weak pointer to a NetErrorPageController. Weak
   // pointers are invalidated on each commit, to prevent getting messages from
   // Controllers used for the previous commit that haven't yet been cleaned up.
   base::WeakPtrFactory<NetErrorPageController::Delegate>
       weak_controller_delegate_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NetErrorHelper);
 };
 
 #endif  // CHROME_RENDERER_NET_NET_ERROR_HELPER_H_