[WIP] Upgrade-insecure-request: upgrade insecurely-redirected requests.

content/browser/frame_host/navigation_request.h

Index: content/browser/frame_host/navigation_request.h
diff --git a/content/browser/frame_host/navigation_request.h b/content/browser/frame_host/navigation_request.h
index 31a986257042b3b0b93b7173230c3a309b9add0a..bdd30b979790088bc0ec24ed5cddd3775af4d887 100644
--- a/content/browser/frame_host/navigation_request.h
+++ b/content/browser/frame_host/navigation_request.h
@@ -15,6 +15,7 @@
 #include "content/common/frame_message_enums.h"
 #include "content/common/navigation_params.h"
 #include "content/public/browser/navigation_throttle.h"
+#include "third_party/WebKit/public/platform/WebInsecureRequestPolicy.h"
 
 namespace content {
 
@@ -191,6 +192,8 @@ class CONTENT_EXPORT NavigationRequest : public NavigationURLLoaderDelegate {
   // be destroyed after this call.
   void CommitNavigation();
 
+  void upgradeInsecureRequest();
+
   FrameTreeNode* frame_tree_node_;
 
   // Initialized on creation of the NavigationRequest. Sent to the renderer when
@@ -231,6 +234,8 @@ class CONTENT_EXPORT NavigationRequest : public NavigationURLLoaderDelegate {
   scoped_refptr<ResourceResponse> response_;
   std::unique_ptr<StreamHandle> body_;
 
+  blink::WebInsecureRequestPolicy insecure_request_policy;
+
   DISALLOW_COPY_AND_ASSIGN(NavigationRequest);
 };