Pepper: Nexe downloading out of the trusted plugin.

components/nacl/renderer/manifest_downloader.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/nacl/renderer/manifest_downloader.h"
 
 #include "base/callback.h"
 #include "components/nacl/renderer/histogram.h"
 #include "components/nacl/renderer/nexe_load_manager.h"
 #include "net/base/net_errors.h"
 #include "third_party/WebKit/public/platform/WebURLError.h"
 #include "third_party/WebKit/public/platform/WebURLLoader.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 
 namespace nacl {
 
 namespace {
 // This is a pretty arbitrary limit on the byte size of the NaCl manifest file.
 // Note that the resulting string object has to have at least one byte extra
 // for the null termination character.
 const size_t kNaClManifestMaxFileBytes = 1024 * 1024;
 }  // namespace
 
 ManifestDownloader::ManifestDownloader(
+    scoped_ptr<blink::WebURLLoader> url_loader,
     bool is_installed,
     ManifestDownloaderCallback cb)
-    : is_installed_(is_installed),
+    : url_loader_(url_loader.Pass()),
+      is_installed_(is_installed),
       cb_(cb),
       status_code_(-1),
       pp_nacl_error_(PP_NACL_ERROR_LOAD_SUCCESS) {
   CHECK(!cb.is_null());
 }
 
-ManifestDownloader::~ManifestDownloader() {
+ManifestDownloader::~ManifestDownloader() { }
+
+void ManifestDownloader::Load(const blink::WebURLRequest& request) {
+  url_loader_->loadAsynchronously(request, this);
 }
 
 void ManifestDownloader::didReceiveResponse(
     blink::WebURLLoader* loader,
     const blink::WebURLResponse& response) {
   if (response.httpStatusCode() != 200)
     pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_LOAD_URL;
   status_code_ = response.httpStatusCode();
 }
 
@@ skipping 38 matching lines @@
         pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL;
         break;
     }
   } else {
     // It's a WebKit error.
     pp_nacl_error_ = PP_NACL_ERROR_MANIFEST_NOACCESS_URL;
   }
 }
 
 }  // namespace nacl