Change Lo-Fi bool to bitmask to support multiple Previews types

content/browser/loader/resource_request_info_impl.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 CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 #define CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/supports_user_data.h"
 #include "content/browser/loader/resource_requester_info.h"
 #include "content/common/resource_request_body_impl.h"
 #include "content/common/url_loader.mojom.h"
 #include "content/public/browser/navigation_ui_data.h"
 #include "content/public/browser/resource_request_info.h"
+#include "content/public/common/previews_state.h"
 #include "content/public/common/referrer.h"
 #include "content/public/common/resource_type.h"
 #include "net/base/load_states.h"
 
 namespace content {
 class DetachableResourceHandler;
 class ResourceContext;
 struct GlobalRequestID;
 struct GlobalRoutingID;
 
@@ skipping 31 matching lines @@
       bool allow_download,
       bool has_user_gesture,
       bool enable_load_timing,
       bool enable_upload_progress,
       bool do_not_prompt_for_login,
       blink::WebReferrerPolicy referrer_policy,
       blink::WebPageVisibilityState visibility_state,
       ResourceContext* context,
       bool report_raw_headers,
       bool is_async,
-      bool is_using_lofi,
+      PreviewsState previews_state,
       const std::string& original_headers,
       const scoped_refptr<ResourceRequestBodyImpl> body,
       bool initiated_in_secure_context);
   ~ResourceRequestInfoImpl() override;
 
   // ResourceRequestInfo implementation:
   WebContentsGetter GetWebContentsGetterForRequest() const override;
   ResourceContext* GetContext() const override;
   int GetChildID() const override;
   int GetRouteID() const override;
   GlobalRequestID GetGlobalRequestID() const override;
   int GetOriginPID() const override;
   int GetRenderFrameID() const override;
   int GetFrameTreeNodeId() const override;
   bool IsMainFrame() const override;
   bool ParentIsMainFrame() const override;
   ResourceType GetResourceType() const override;
   int GetProcessType() const override;
   blink::WebReferrerPolicy GetReferrerPolicy() const override;
   blink::WebPageVisibilityState GetVisibilityState() const override;
   ui::PageTransition GetPageTransition() const override;
   bool HasUserGesture() const override;
   bool WasIgnoredByHandler() const override;
   bool GetAssociatedRenderFrame(int* render_process_id,
                                 int* render_frame_id) const override;
   bool IsAsync() const override;
   bool IsDownload() const override;
-  bool IsUsingLoFi() const override;
+  // Returns a bitmask of potentially several Previews optimizations.
+  PreviewsState GetPreviewsState() const override;
   bool ShouldReportRawHeaders() const;
   NavigationUIData* GetNavigationUIData() const override;
 
   CONTENT_EXPORT void AssociateWithRequest(net::URLRequest* request);
 
   CONTENT_EXPORT int GetRequestID() const;
   GlobalRoutingID GetGlobalRoutingID() const;
 
   // PlzNavigate
   // The id of the FrameTreeNode that initiated this request (for a navigation
@@ skipping 114 matching lines @@
   bool was_ignored_by_handler_;
   bool counted_as_in_flight_request_;
   ResourceType resource_type_;
   ui::PageTransition transition_type_;
   int memory_cost_;
   blink::WebReferrerPolicy referrer_policy_;
   blink::WebPageVisibilityState visibility_state_;
   ResourceContext* context_;
   bool report_raw_headers_;
   bool is_async_;
-  bool is_using_lofi_;
+  PreviewsState previews_state_;
   const std::string original_headers_;
   scoped_refptr<ResourceRequestBodyImpl> body_;
   bool initiated_in_secure_context_;
   std::unique_ptr<NavigationUIData> navigation_ui_data_;
 
   // This callback is set by MojoAsyncResourceHandler to update its mojo binding
   // and remote endpoint. This callback will be removed once PlzNavigate is
   // shipped.
   TransferCallback on_transfer_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceRequestInfoImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_LOADER_RESOURCE_REQUEST_INFO_IMPL_H_