Use new SafeBrowsing redirect tracking code in CWS pings.

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 0eb4ce4f9db21ab21db079ae82f56ec04b2776db..3e3760ea769b09f876332a52a37cdbc35ae35a3b 100644
--- a/chrome/browser/extensions/webstore_inline_installer.h
+++ b/chrome/browser/extensions/webstore_inline_installer.h
@@ -49,6 +49,9 @@ class WebstoreInlineInstaller : public WebstoreStandaloneInstaller,
 
   ~WebstoreInlineInstaller() override;
 
+  // Returns whether to use the new navigation event tracker.
+  virtual bool SafeBrowsingNavigationEventsEnabled() const;
+
   // Implementations WebstoreStandaloneInstaller Template Method's hooks.
   std::string GetJsonPostData() override;
   bool CheckRequestorAlive() const override;