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

content/browser/frame_host/navigation_controller_android.cc

Index: content/browser/frame_host/navigation_controller_android.cc
diff --git a/content/browser/frame_host/navigation_controller_android.cc b/content/browser/frame_host/navigation_controller_android.cc
index 840771550f493682f02002173b6392b3187a9e8a..905757c65ffb1e24d52385c2ecdb9768305289de 100644
--- a/content/browser/frame_host/navigation_controller_android.cc
+++ b/content/browser/frame_host/navigation_controller_android.cc
@@ -7,12 +7,12 @@
 #include <stdint.h>
 
 #include "base/android/jni_android.h"
-#include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/ssl_host_state_delegate.h"
+#include "content/public/common/resource_request_body.h"
 #include "jni/NavigationControllerImpl_jni.h"
 #include "net/base/data_url.h"
 #include "ui/gfx/android/java_bitmap.h"
@@ -202,7 +202,7 @@ void NavigationControllerAndroid::LoadUrl(
     jint referrer_policy,
     jint ua_override_option,
     const JavaParamRef<jstring>& extra_headers,
-    const JavaParamRef<jbyteArray>& post_data,
+    const JavaParamRef<jobject>& j_post_data,
     const JavaParamRef<jstring>& base_url_for_data_url,
     const JavaParamRef<jstring>& virtual_url_for_data_url,
     const JavaParamRef<jstring>& data_url_as_string,
@@ -226,12 +226,7 @@ void NavigationControllerAndroid::LoadUrl(
   if (extra_headers)
     params.extra_headers = ConvertJavaStringToUTF8(env, extra_headers);
 
-  if (post_data) {
-    std::vector<uint8_t> http_body_vector;
-    base::android::JavaByteArrayToByteVector(env, post_data, &http_body_vector);
-    params.browser_initiated_post_data =
-        base::RefCountedBytes::TakeVector(&http_body_vector);
-  }
+  params.post_data = ResourceRequestBody::FromJavaObject(env, j_post_data);
 
   if (base_url_for_data_url) {
     params.base_url_for_data_url =