Use ResourceRequestInfo::GetWebContents in DownloadRequestLimiter

chrome/browser/download/download_resource_throttle.h

Index: chrome/browser/download/download_resource_throttle.h
diff --git a/chrome/browser/download/download_resource_throttle.h b/chrome/browser/download/download_resource_throttle.h
index 4218c6aab25fdeb30c1daf4ce3fa7f58bd8eedc2..292848cd2f2c43cbf6effee660f0dda710576083 100644
--- a/chrome/browser/download/download_resource_throttle.h
+++ b/chrome/browser/download/download_resource_throttle.h
@@ -26,16 +26,14 @@ class DownloadResourceThrottle
   struct DownloadRequestInfo {
     DownloadRequestInfo(
         scoped_refptr<DownloadRequestLimiter> limiter,
-        int render_process_id,
-        int render_view_id,
+        const base::Callback<content::WebContents*(void)>& web_contents_getter,
         const GURL& url,
         const std::string& request_method,
         const DownloadRequestLimiter::Callback& continue_callback);
     ~DownloadRequestInfo();
 
     scoped_refptr<DownloadRequestLimiter> limiter;
-    int render_process_id;
-    int render_view_id;
+    base::Callback<content::WebContents*(void)> web_contents_getter;
     GURL url;
     std::string request_method;
     DownloadRequestLimiter::Callback continue_callback;
@@ -43,11 +41,11 @@ class DownloadResourceThrottle
     DISALLOW_COPY_AND_ASSIGN(DownloadRequestInfo);
   };
 
-  DownloadResourceThrottle(scoped_refptr<DownloadRequestLimiter> limiter,
-                           int render_process_id,
-                           int render_view_id,
-                           const GURL& url,
-                           const std::string& request_method);
+  DownloadResourceThrottle(
+      scoped_refptr<DownloadRequestLimiter> limiter,
+      const base::Callback<content::WebContents*(void)>& web_contents_getter,
+      const GURL& url,
+      const std::string& request_method);
 
   // content::ResourceThrottle implementation:
   void WillStartRequest(bool* defer) override;