Include referrer chain with inline install requests

chrome/browser/extensions/webstore_inline_installer.h

Index: chrome/browser/extensions/webstore_inline_installer.h
diff --git a/chrome/browser/extensions/webstore_inline_installer.h b/chrome/browser/extensions/webstore_inline_installer.h
index 9e11fa42e630eb0dff533f2c5aa7519dfe3bb00e..18b11f7e048a9b4db7a2b34468585343cfbf8aab 100644
--- a/chrome/browser/extensions/webstore_inline_installer.h
+++ b/chrome/browser/extensions/webstore_inline_installer.h
@@ -5,11 +5,14 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INLINE_INSTALLER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
+#include "base/task/cancelable_task_tracker.h"
 #include "chrome/browser/extensions/webstore_standalone_installer.h"
+#include "components/history/core/browser/history_types.h"
 #include "content/public/browser/web_contents_observer.h"
 
 namespace content {
@@ -49,6 +52,7 @@ class WebstoreInlineInstaller : public WebstoreStandaloneInstaller,
   ~WebstoreInlineInstaller() override;
 
   // Implementations WebstoreStandaloneInstaller Template Method's hooks.
+  void OnBeforeWebstoreDataRequest(WebstoreDataFetcher* fetcher) override;
   bool CheckRequestorAlive() const override;
   const GURL& GetRequestorURL() const override;
   bool ShouldShowPostInstallUI() const override;
@@ -73,10 +77,15 @@ class WebstoreInlineInstaller : public WebstoreStandaloneInstaller,
   static bool IsRequestorURLInVerifiedSite(const GURL& requestor_url,
                                            const std::string& verified_site);
 
+  void StartWebstoreDataRequest(
+      WebstoreDataFetcher* fetcher, const history::RedirectList* redirect_list);
+
   // This corresponds to the frame that initiated the install request.
   content::RenderFrameHost* host_;
   GURL requestor_url_;
 
+  base::CancelableTaskTracker request_tracker_;  // For HistoryService lookup.
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(WebstoreInlineInstaller);
 };