Remove now-unnecessary .obj() in Java method calls.

components/cronet/android/cronet_upload_data_stream_adapter.cc

Index: components/cronet/android/cronet_upload_data_stream_adapter.cc
diff --git a/components/cronet/android/cronet_upload_data_stream_adapter.cc b/components/cronet/android/cronet_upload_data_stream_adapter.cc
index dabcfbb35df61deb20e741cb01fa547081213ed0..af2854ba6c0a3bc911122aa7ba65866294d0183c 100644
--- a/components/cronet/android/cronet_upload_data_stream_adapter.cc
+++ b/components/cronet/android/cronet_upload_data_stream_adapter.cc
@@ -52,7 +52,7 @@ void CronetUploadDataStreamAdapter::Read(net::IOBuffer* buffer, int buf_len) {
   JNIEnv* env = base::android::AttachCurrentThread();
   base::android::ScopedJavaLocalRef<jobject> java_buffer(
       env, env->NewDirectByteBuffer(buffer->data(), buf_len));
-  Java_CronetUploadDataStream_readData(env, jupload_data_stream_.obj(),
+  Java_CronetUploadDataStream_readData(env, jupload_data_stream_,
                                        java_buffer.obj());
 }
 
@@ -61,7 +61,7 @@ void CronetUploadDataStreamAdapter::Rewind() {
   DCHECK(network_task_runner_->BelongsToCurrentThread());
 
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_CronetUploadDataStream_rewind(env, jupload_data_stream_.obj());
+  Java_CronetUploadDataStream_rewind(env, jupload_data_stream_);
 }
 
 void CronetUploadDataStreamAdapter::OnUploadDataStreamDestroyed() {
@@ -71,8 +71,8 @@ void CronetUploadDataStreamAdapter::OnUploadDataStreamDestroyed() {
          network_task_runner_->BelongsToCurrentThread());
 
   JNIEnv* env = base::android::AttachCurrentThread();
-  Java_CronetUploadDataStream_onUploadDataStreamDestroyed(
-      env, jupload_data_stream_.obj());
+  Java_CronetUploadDataStream_onUploadDataStreamDestroyed(env,
+                                                          jupload_data_stream_);
   // |this| is invalid here since the Java call above effectively destroys it.
 }