Forwarding POST body into renderer after a cross-site transfer.

content/browser/frame_host/navigation_entry_impl.cc

 // Copyright 2013 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 "content/browser/frame_host/navigation_entry_impl.h"
 
 #include <stddef.h>
 
 #include <queue>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
 #include "components/url_formatter/url_formatter.h"
+#include "content/browser/frame_host/navigation_handle_impl.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/navigation_params.h"
 #include "content/common/page_state_serialization.h"
 #include "content/common/site_isolation_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/url_constants.h"
 #include "ui/gfx/text_elider.h"
 
 using base::UTF16ToUTF8;
 
@@ skipping 555 matching lines @@
   ui_timestamp = intent_received_timestamp();
 #endif
 
   return CommonNavigationParams(
       dest_url, dest_referrer, GetTransitionType(), navigation_type,
       !IsViewSourceMode(), should_replace_entry(), ui_timestamp, report_type,
       GetBaseURLForDataURL(), GetHistoryURLForDataURL(), lofi_state,
       navigation_start, GetHasPostData() ? "POST" : "GET");
 }
 
-StartNavigationParams NavigationEntryImpl::ConstructStartNavigationParams()
-    const {
-  std::vector<unsigned char> browser_initiated_post_data;
-  if (GetBrowserInitiatedPostData()) {
-    browser_initiated_post_data.assign(
-        GetBrowserInitiatedPostData()->front(),
-        GetBrowserInitiatedPostData()->front() +
-            GetBrowserInitiatedPostData()->size());
+StartNavigationParams NavigationEntryImpl::ConstructStartNavigationParams(
+    const NavigationHandleImpl& navigation_handle) const {
+  scoped_refptr<ResourceRequestBody> post_data;
+  if (const base::RefCountedMemory* memory = GetBrowserInitiatedPostData()) {
+    post_data = new ResourceRequestBody();
+    post_data->AppendBytes(memory->front_as<char>(), memory->size());
+  } else {
+    post_data = navigation_handle.resource_request_body();
   }
 
-  return StartNavigationParams(extra_headers(), browser_initiated_post_data,
+  return StartNavigationParams(extra_headers(), post_data,
 #if defined(OS_ANDROID)
                                has_user_gesture(),
 #endif
                                transferred_global_request_id().child_id,
                                transferred_global_request_id().request_id);
 }
 
 RequestNavigationParams NavigationEntryImpl::ConstructRequestNavigationParams(
     const FrameNavigationEntry& frame_entry,
     bool is_same_document_history_load,
@@ skipping 144 matching lines @@
       return node;
 
     // Enqueue any children and keep looking.
     for (auto& child : node->children)
       work_queue.push(child);
   }
   return nullptr;
 }
 
 }  // namespace content