Move kExtensionScheme from content to chrome

content/renderer/render_view.cc

Index: content/renderer/render_view.cc
diff --git a/content/renderer/render_view.cc b/content/renderer/render_view.cc
index 34551fad1cf7f36ad383a8da1e84f7b093dbd4c2..4a07e0a9c0d4557374b620345270b9180b95f4e7 100644
--- a/content/renderer/render_view.cc
+++ b/content/renderer/render_view.cc
@@ -3642,7 +3642,7 @@ void RenderView::OnGetAllSavableResourceLinksForCurrentPage(
           webview(),
           page_url,
           &result,
-          chrome::kSavableSchemes)) {
+          chrome::GetSavableSchemes())) {
     // If something is wrong when collecting all savable resource links,
     // send empty list to embedder(browser) to tell it failed.
     referrers_list.clear();