Revert of Deduplicating code performing WebHTTPBody::Element conversions.

content/common/resource_request_body.cc

Index: content/common/resource_request_body.cc
diff --git a/content/common/resource_request_body.cc b/content/common/resource_request_body.cc
index b2b0c5fd96dc41254a5ba15aca33fd8db3163174..74276c8aaa06544f4144428390347327bf180c53 100644
--- a/content/common/resource_request_body.cc
+++ b/content/common/resource_request_body.cc
@@ -14,6 +14,50 @@
 
 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) {