PlzNavigate: support the WebRequest API

content/browser/frame_host/navigation_handle_impl.h

 // Copyright 2015 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_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_
 
 #include "content/public/browser/navigation_handle.h"
 
 #include <stddef.h>
@@ skipping 10 matching lines @@
 #include "content/public/browser/navigation_data.h"
 #include "content/public/browser/navigation_throttle.h"
 #include "content/public/browser/ssl_status.h"
 #include "content/public/common/request_context_type.h"
 #include "url/gurl.h"
 
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace content {
 
+class NavigationUIData;
 class NavigatorDelegate;
 class ResourceRequestBodyImpl;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerNavigationHandle;
 class SiteInstance;
 
 // This class keeps track of a single navigation. It is created upon receipt of
 // a DidStartProvisionalLoad IPC in a RenderFrameHost. The RenderFrameHost owns
 // the newly created NavigationHandleImpl as long as the navigation is ongoing.
 // The NavigationHandleImpl in the RenderFrameHost will be reset when the
@@ skipping 224 matching lines @@
   // non-transfer code. There may be some issues in PlzNavigate, where
   // WillStartRequest will be called before starting a request on the IO thread.
   const GlobalRequestID& request_id() const {
     DCHECK_GE(state_, WILL_PROCESS_RESPONSE);
     return request_id_;
   }
 
   // Called when the navigation is transferred to a different renderer.
   void Transfer();
 
+  NavigationUIData* navigation_ui_data() const {
+    return navigation_ui_data_.get();
+  }
+
  private:
   friend class NavigationHandleImplTest;
 
   // Used to track the state the navigation is currently in.
   enum State {
     INITIAL = 0,
     WILL_SEND_REQUEST,
     DEFERRING_START,
     WILL_REDIRECT_REQUEST,
     DEFERRING_REDIRECT,
@@ skipping 93 matching lines @@
   RequestContextType request_context_type_;
 
   // This callback will be run when all throttle checks have been performed.
   ThrottleChecksFinishedCallback complete_callback_;
 
   // PlzNavigate
   // Manages the lifetime of a pre-created ServiceWorkerProviderHost until a
   // corresponding ServiceWorkerNetworkProvider is created in the renderer.
   std::unique_ptr<ServiceWorkerNavigationHandle> service_worker_handle_;
 
-  // Embedder data tied to this navigation.
+  // Embedder data from the IO thread tied to this navigation.
   std::unique_ptr<NavigationData> navigation_data_;
 
+  // PlzNavigate
+  // Embedder data from the UI thread tied to this navigation.
+  std::unique_ptr<NavigationUIData> navigation_ui_data_;
+
   SSLStatus ssl_status_;
 
   // The id of the URLRequest tied to this navigation.
   GlobalRequestID request_id_;
 
   // Whether the current NavigationEntry should be replaced upon commit.
   bool should_replace_current_entry_;
 
   // The chain of redirects.
   std::vector<GURL> redirect_chain_;
 
   // A callback to run on the IO thread if the navigation transfers.
   base::Closure transfer_callback_;
 
   // Whether the navigation ended up being a download or a stream.
   bool is_download_;
   bool is_stream_;
 
   base::WeakPtrFactory<NavigationHandleImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationHandleImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_HANDLE_IMPL_H_