Consistently use LoFi for an entire page

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h

Index: chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h
diff --git a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h
index 5101ce26be2951843feec2590f625c68550c8d88..59abdb93603f3b8ce6b6a1107e7f3bdbd3d7b6cc 100644
--- a/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h
+++ b/chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h
@@ -76,6 +76,9 @@ class ChromeResourceDispatcherHostDelegate
                            content::ResourceContext* resource_context,
                            content::ResourceResponse* response) override;
   void RequestComplete(net::URLRequest* url_request) override;
+  bool ShouldEnableLoFiMode(
+      const net::URLRequest& url_request,
+      content::ResourceContext* resource_context) override;
 
   // Called on the UI thread. Allows switching out the
   // ExternalProtocolHandler::Delegate for testing code.