Using ResourceRequestBody as the type of HTTP body outside of //content.

content/common/android/resource_request_body_android.cc

Index: content/common/android/resource_request_body_android.cc
diff --git a/content/common/android/resource_request_body_android.cc b/content/common/android/resource_request_body_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3f91c9a1d36111e2d5fe6e671b22edaf2c3f1953
--- /dev/null
+++ b/content/common/android/resource_request_body_android.cc
@@ -0,0 +1,89 @@
+// Copyright 2016 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/android/resource_request_body_android.h"
+
+#include <jni.h>
+
+#include <string>
+
+#include "base/android/jni_array.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/memory/ref_counted.h"
+#include "content/common/page_state_serialization.h"
+#include "content/public/common/resource_request_body.h"
+#include "jni/ResourceRequestBody_jni.h"
+
+namespace content {
+
+namespace {
+
+base::android::ScopedJavaLocalRef<jbyteArray>
+ConvertResourceRequestBodyToJavaArray(JNIEnv* env,
+                                      const ResourceRequestBodyImpl& body) {
+  std::string encoded = EncodeResourceRequestBody(body);
+  return base::android::ToJavaByteArray(
+      env, reinterpret_cast<const uint8_t*>(encoded.data()), encoded.size());
+}
+
+}  // namespace
+
+bool RegisterResourceRequestBody(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+base::android::ScopedJavaLocalRef<jbyteArray>
+CreateResourceRequestBodyFromBytes(
+    JNIEnv* env,
+    const JavaParamRef<jclass>& clazz,
+    const JavaParamRef<jbyteArray>& j_post_data) {
+  base::android::ScopedJavaLocalRef<jbyteArray> result;
+  if (!j_post_data)
+    return result;
+
+  std::vector<uint8_t> post_data;
+  base::android::JavaByteArrayToByteVector(env, j_post_data, &post_data);
+  scoped_refptr<ResourceRequestBody> body =
+      ResourceRequestBody::CreateFromBytes(
+          reinterpret_cast<const char*>(post_data.data()), post_data.size());
+
+  return ConvertResourceRequestBodyToJavaArray(
+      env, static_cast<const ResourceRequestBodyImpl&>(*body));
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+ConvertResourceRequestBodyToJavaObject(
+    JNIEnv* env,
+    const scoped_refptr<ResourceRequestBodyImpl>& body) {
+  if (!body)
+    return base::android::ScopedJavaLocalRef<jobject>();
+
+  // TODO(lukasza): Avoid repeatedly copying the bytes.
+  // See also https://goo.gl/ITiLGI.
+  base::android::ScopedJavaLocalRef<jbyteArray> j_encoded =
+      ConvertResourceRequestBodyToJavaArray(env, *body);
+
+  return Java_ResourceRequestBody_createFromEncodedNativeForm(env,
+                                                              j_encoded.obj());
+}
+
+scoped_refptr<ResourceRequestBodyImpl> ExtractResourceRequestBodyFromJavaObject(
+    JNIEnv* env,
+    const base::android::JavaParamRef<jobject>& j_body) {
+  if (!j_body)
+    return nullptr;
+
+  base::android::ScopedJavaLocalRef<jbyteArray> j_encoded =
+      Java_ResourceRequestBody_getEncodedNativeForm(env, j_body.obj());
+  if (j_encoded.is_null())
+    return nullptr;
+
+  std::vector<uint8_t> encoded;
+  base::android::JavaByteArrayToByteVector(env, j_encoded.obj(), &encoded);
+
+  return DecodeResourceRequestBody(
+      reinterpret_cast<const char*>(encoded.data()), encoded.size());
+}
+
+}  // namespace content