Upstream changes to enable chunked uploads.

components/cronet/android/chromium_url_request.cc

Index: components/cronet/android/chromium_url_request.cc
diff --git a/components/cronet/android/chromium_url_request.cc b/components/cronet/android/chromium_url_request.cc
index 60b422f3781591f5cbff76849595904f458782c2..6d1c613fe9cdc35514889962bc1d90179947503d 100644
--- a/components/cronet/android/chromium_url_request.cc
+++ b/components/cronet/android/chromium_url_request.cc
@@ -61,6 +61,11 @@ class JniURLRequestAdapterDelegate
     owner_ = env->NewGlobalRef(owner);
   }
 
+  virtual void OnAppendChunkCompleted(URLRequestAdapter* request) OVERRIDE {
+    JNIEnv* env = base::android::AttachCurrentThread();
+    cronet::Java_ChromiumUrlRequest_onAppendChunkCompleted(env, owner_);
+  }
+
   virtual void OnResponseStarted(URLRequestAdapter* request) OVERRIDE {
     JNIEnv* env = base::android::AttachCurrentThread();
     cronet::Java_ChromiumUrlRequest_onResponseStarted(env, owner_);
@@ -199,6 +204,31 @@ static void SetUploadChannel(JNIEnv* env,
   request->SetUploadChannel(env, content_length);
 }
 
+static void EnableChunkedUpload(JNIEnv* env,
+                                jobject jcaller,
+                                jlong urlRequestAdapter,
+                                jstring content_type) {
+  URLRequestAdapter* request =
+      reinterpret_cast<URLRequestAdapter*>(urlRequestAdapter);
+  SetPostContentType(env, request, content_type);
+  request->EnableChunkedUpload();
+}
+
+static void AppendChunkToUpload(JNIEnv* env,
+                                jobject jcaller,
+                                jlong urlRequestAdapter,
+                                jobject chunk_byte_buffer,
+                                jint chunk_size,
+                                jboolean is_last_chunk) {
+  URLRequestAdapter* request =
+      reinterpret_cast<URLRequestAdapter*>(urlRequestAdapter);
+  if (request != NULL && chunk_byte_buffer != NULL) {
+    void* chunk = env->GetDirectBufferAddress(chunk_byte_buffer);
+    request->AppendChunkToUpload(
+        reinterpret_cast<const char*>(chunk), chunk_size, is_last_chunk);
+  }
+}
+
 /* synchronized */
 static void Start(JNIEnv* env, jobject object, jlong urlRequestAdapter) {
   URLRequestAdapter* request =