DevTools: Introduce Page.getManifest remote debugging protocol method.

content/renderer/manifest/manifest_manager.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 CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_H_
 #define CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_H_
 
 #include <list>
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "content/public/common/manifest.h"
 #include "content/public/renderer/render_frame_observer.h"
+#include "content/renderer/manifest/manifest_debug_info.h"
 
 class GURL;
 
 namespace blink {
 class WebURLResponse;
 }
 
 namespace content {
 
 class ManifestFetcher;
 
 // The ManifestManager is a helper class that takes care of fetching and parsing
 // the Manifest of the associated RenderFrame. It uses the ManifestFetcher and
 // the ManifestParser in order to do so.
 // There are two expected consumers of this helper: ManifestManagerHost, via IPC
 // messages and callers inside the renderer process. The latter should use
 // GetManifest().
 class ManifestManager : public RenderFrameObserver {
  public:
-  typedef base::Callback<void(const Manifest&)> GetManifestCallback;
+  typedef base::Callback<void(const Manifest&,
+                              const ManifestDebugInfo&)> GetManifestCallback;
 
   explicit ManifestManager(RenderFrame* render_frame);
   ~ManifestManager() override;
 
   // Will call the given |callback| with the Manifest associated with the
   // RenderFrame if any. Will pass an empty Manifest in case of error.
   void GetManifest(const GetManifestCallback& callback);
 
   // RenderFrameObserver implementation.
   bool OnMessageReceived(const IPC::Message& message) override;
   void DidChangeManifest() override;
   void DidCommitProvisionalLoad(bool is_new_navigation,
                                 bool is_same_page_navigation) override;
 
  private:
   enum ResolveState {
     ResolveStateSuccess,
     ResolveStateFailure
   };
 
   // Called when receiving a ManifestManagerMsg_RequestManifest from the browser
   // process.
   void OnHasManifest(int request_id);
   void OnRequestManifest(int request_id);
-  void OnRequestManifestComplete(int request_id, const Manifest&);
+  void OnRequestManifestComplete(int request_id,
+                                 const Manifest&,
+                                 const ManifestDebugInfo&);
 
   void FetchManifest();
   void OnManifestFetchComplete(const GURL& document_url,
                                const blink::WebURLResponse& response,
                                const std::string& data);
   void ResolveCallbacks(ResolveState state);
 
   std::unique_ptr<ManifestFetcher> fetcher_;
 
   // Whether the RenderFrame may have an associated Manifest. If true, the frame
   // may have a manifest, if false, it can't have one. This boolean is true when
   // DidChangeManifest() is called, if it is never called, it means that the
   // associated document has no <link rel='manifest'>.
   bool may_have_manifest_;
 
   // Whether the current Manifest is dirty.
   bool manifest_dirty_;
 
   // Current Manifest. Might be outdated if manifest_dirty_ is true.
   Manifest manifest_;
 
+  // Current Manifest debug information.
+  ManifestDebugInfo manifest_debug_info_;
+
   std::list<GetManifestCallback> pending_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(ManifestManager);
 };
 
 } // namespace content
 
 #endif  // CONTENT_RENDERER_MANIFEST_MANIFEST_MANAGER_H_