Gate sending referrers to CWS on whether the profile has SafeBrowsing enabled.

chrome/browser/extensions/webstore_inline_installer.cc

Index: chrome/browser/extensions/webstore_inline_installer.cc
diff --git a/chrome/browser/extensions/webstore_inline_installer.cc b/chrome/browser/extensions/webstore_inline_installer.cc
index 52f23c280b536524cd98810999f1609540765df7..82bf478ea0e794c9dd0a7feb9f868866b71deaee 100644
--- a/chrome/browser/extensions/webstore_inline_installer.cc
+++ b/chrome/browser/extensions/webstore_inline_installer.cc
@@ -13,6 +13,8 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
+#include "chrome/common/pref_names.h"
+#include "components/prefs/pref_service.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/navigation_handle.h"
 #include "content/public/browser/web_contents.h"
@@ -107,6 +109,11 @@ std::string WebstoreInlineInstaller::GetJsonPostData() {
   if (!web_contents())
     return std::string();
 
+  // Report extra data only when SafeBrowsing is enabled for the current
+  // profile.
+  if (!profile()->GetPrefs()->GetBoolean(prefs::kSafeBrowsingEnabled))
+    return std::string();
+
   content::NavigationController& navigation_controller =
       web_contents()->GetController();
   content::NavigationEntry* navigation_entry =