Simplify DownloadRequestHandle by using WebContentsGetter

content/browser/download/download_request_handle.h

Index: content/browser/download/download_request_handle.h
diff --git a/content/browser/download/download_request_handle.h b/content/browser/download/download_request_handle.h
index 5d047c759100235176678230085abb6717e989e2..11723ad018d3a0059bf8159aed1e8ef1802e43ae 100644
--- a/content/browser/download/download_request_handle.h
+++ b/content/browser/download/download_request_handle.h
@@ -11,6 +11,7 @@
 #include "base/memory/weak_ptr.h"
 #include "content/browser/download/download_resource_handler.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/resource_request_info.h"
 
 namespace content {
 class DownloadManager;
@@ -56,12 +57,9 @@ class CONTENT_EXPORT DownloadRequestHandle
   // allowing mocking of ResourceDispatcherHost in unit tests.
   DownloadRequestHandle();
 
-  // Note that |rdh| is required to be non-null.
   DownloadRequestHandle(const base::WeakPtr<DownloadResourceHandler>& handler,
-                        int child_id,
-                        int render_view_id,
-                        int request_id,
-                        int frame_tree_node_id);
+                        const content::ResourceRequestInfo::WebContentsGetter&
+                            web_contents_getter);
 
   // Implement DownloadRequestHandleInterface interface.
   WebContents* GetWebContents() const override;
@@ -73,19 +71,7 @@ class CONTENT_EXPORT DownloadRequestHandle
 
  private:
   base::WeakPtr<DownloadResourceHandler> handler_;
-
-  // The ID of the child process that started the download.
-  int child_id_;
-
-  // The ID of the render view that started the download.
-  int render_view_id_;
-
-  // The ID associated with the request used for the download.
-  int request_id_;
-
-  // PlzNavigate
-  // The ID of the FrameTreeNode that started the download.
-  int frame_tree_node_id_;
+  content::ResourceRequestInfo::WebContentsGetter web_contents_getter_;
 };
 
 }  // namespace content