Get main frame and subframe AppCache loads to work.

content/browser/appcache/appcache_url_loader_request.h

Index: content/browser/appcache/appcache_url_loader_request.h
diff --git a/content/browser/appcache/appcache_url_loader_request.h b/content/browser/appcache/appcache_url_loader_request.h
index 13581f15015a9ed1c53015646a4250d4648677a1..97e3f773fdb9305f8464cb448e9ef338f83c85ea 100644
--- a/content/browser/appcache/appcache_url_loader_request.h
+++ b/content/browser/appcache/appcache_url_loader_request.h
@@ -17,7 +17,7 @@ class CONTENT_EXPORT AppCacheURLLoaderRequest : public AppCacheRequest {
   // Factory function to create an instance of the AppCacheResourceRequest
   // class.
   static std::unique_ptr<AppCacheURLLoaderRequest> Create(
-      std::unique_ptr<ResourceRequest> request);
+      const ResourceRequest& request);
 
   ~AppCacheURLLoaderRequest() override;
 
@@ -38,14 +38,13 @@ class CONTENT_EXPORT AppCacheURLLoaderRequest : public AppCacheRequest {
   bool IsError() const override;
   int GetResponseCode() const override;
   std::string GetResponseHeaderByName(const std::string& name) const override;
-
   ResourceRequest* GetResourceRequest() override;
 
  protected:
-  explicit AppCacheURLLoaderRequest(std::unique_ptr<ResourceRequest> request);
+  explicit AppCacheURLLoaderRequest(const ResourceRequest& request);
 
  private:
-  std::unique_ptr<ResourceRequest> request_;
+  ResourceRequest request_;
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheURLLoaderRequest);
 };