PlzNavigate: store POST data in the FrameNavigationEntry

content/common/resource_request_body.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 "content/common/resource_request_body.h"
 
+#include "base/strings/utf_string_conversions.h"
+#include "content/common/page_state_serialization.h"
+
+using blink::WebHTTPBody;
+using blink::WebString;
+
 namespace content {
 
 ResourceRequestBody::ResourceRequestBody()
     : identifier_(0) {
 }
 
+void ResourceRequestBody::AppendExplodedHTTPBodyElement(
+    const ExplodedHttpBodyElement& element) {
+  // Note: this code is based on GetRequestBodyForWebURLRequest (in
+  // web_url_request_util.cc). The other function transforms a
+  // blink::WebHTTPBody into a ResourceRequestBody. This function is used to
+  // transform an ExplodedHttpBody into a ResourceRequestBody.
+  switch (element.type) {
+    case WebHTTPBody::Element::TypeData:
+      if (!element.data.empty()) {
+        // Blink sometimes gives empty data to append. These aren't
+        // necessary so they are just optimized out here.
+        AppendBytes(element.data.data(), static_cast<int>(element.data.size()));
+      }
+      break;
+    case WebHTTPBody::Element::TypeFile:
+      if (element.file_length == -1) {
+        AppendFileRange(
+            base::FilePath::FromUTF16Unsafe(element.file_path.string()), 0,
+            std::numeric_limits<uint64_t>::max(), base::Time());
+      } else {
+        AppendFileRange(
+            base::FilePath::FromUTF16Unsafe(element.file_path.string()),
+            static_cast<uint64_t>(element.file_start),
+            static_cast<uint64_t>(element.file_length),
+            base::Time::FromDoubleT(element.file_modification_time));
+      }
+      break;
+    case WebHTTPBody::Element::TypeFileSystemURL: {
+      GURL file_system_url = element.filesystem_url;
+      DCHECK(file_system_url.SchemeIsFileSystem());
+      AppendFileSystemFileRange(
+          file_system_url, static_cast<uint64_t>(element.file_start),
+          static_cast<uint64_t>(element.file_length),
+          base::Time::FromDoubleT(element.file_modification_time));
+      break;
+    }
+    case WebHTTPBody::Element::TypeBlob:
+      AppendBlob(element.blob_uuid);
+      break;
+    default:
+      NOTREACHED();
+  }
+}
+
 void ResourceRequestBody::AppendBytes(const char* bytes, int bytes_len) {
   if (bytes_len > 0) {
     elements_.push_back(Element());
     elements_.back().SetToBytes(bytes, bytes_len);
   }
 }
 
 void ResourceRequestBody::AppendFileRange(
     const base::FilePath& file_path,
     uint64_t offset,
@@ skipping 16 matching lines @@
     const base::Time& expected_modification_time) {
   elements_.push_back(Element());
   elements_.back().SetToFileSystemUrlRange(url, offset, length,
                                            expected_modification_time);
 }
 
 ResourceRequestBody::~ResourceRequestBody() {
 }
 
 }  // namespace content