Revert of Deduplicating code performing WebHTTPBody::Element conversions.

content/common/page_state_serialization.h

Index: content/common/page_state_serialization.h
diff --git a/content/common/page_state_serialization.h b/content/common/page_state_serialization.h
index e0c2ecf2f01afb0aa8a97de348f9c7666bfa36e8..69a4a3c86bfbc8c0113c3654d71e2c2b05512534 100644
--- a/content/common/page_state_serialization.h
+++ b/content/common/page_state_serialization.h
@@ -12,7 +12,6 @@
 #include "base/strings/nullable_string16.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
-#include "content/common/resource_request_body.h"
 #include "third_party/WebKit/public/platform/WebHTTPBody.h"
 #include "third_party/WebKit/public/platform/WebHistoryScrollRestorationType.h"
 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
@@ -22,7 +21,22 @@
 
 namespace content {
 
-using ExplodedHttpBodyElement = ResourceRequestBody::Element;
+class ResourceRequestBody;
+
+struct CONTENT_EXPORT ExplodedHttpBodyElement {
+  blink::WebHTTPBody::Element::Type type;
+  std::string data;
+  base::NullableString16 file_path;
+  GURL filesystem_url;
+  int64_t file_start;
+  int64_t file_length;
+  double file_modification_time;
+  std::string blob_uuid;
+
+  ExplodedHttpBodyElement();
+  ExplodedHttpBodyElement(const ExplodedHttpBodyElement& other);
+  ~ExplodedHttpBodyElement();
+};
 
 struct CONTENT_EXPORT ExplodedHttpBody {
   base::NullableString16 http_content_type;